Connect with us

Business

ICCGO Exam Guide | PDF Questions Answers & Practice Test

Published

on

ICCGO Exam PDF Questions Answers and Practice Test

Introduction

Flow measurement may not be the first thing on most people’s minds, but in industries such as power generation, chemical processing, water treatment, and food production, it’s absolutely essential. Accurate flow data ensures smooth operations, cost control, safety compliance, and overall process efficiency.

This guide focuses on vortex flow meters—along with associated sensors and transmitters—and explains how they work, where they’re used, and why they’re an industry standard for many flow applications. Whether you’re studying for the ICCGO certification or refining your technical expertise, this guide provides foundational knowledge in an accessible, yet professional tone.


What Is Flow Measurement?

At its core, flow measurement refers to the process of quantifying the movement of fluids—liquids, gases, or steam—through a pipe or channel. This involves determining two key aspects:

  • Flow rate: how fast the fluid is moving

  • Volume or mass: how much fluid has moved over a specific period

In industrial applications, this data is vital. For instance, overestimating gas flow in a power plant could result in safety hazards, while underestimating chemical flows in a manufacturing line might ruin an entire batch of product. Flow meters help keep processes under control, accurate, and safe.


Why Flow Measurement Matters in Industry

Here are a few practical examples:

Advertisement
  • Water treatment: Monitoring flow ensures efficient distribution and proper chemical dosing.

  • Oil & gas: Flow readings are critical for custody transfer, pipeline integrity, and safety.

  • Pharmaceutical production: Precision in liquid handling ensures compliance with strict quality standards.

  • Food and beverage: Accurate flow control is needed for consistent product quality and sanitation.

Ultimately, if you can’t measure the flow, you can’t manage the process. Poor measurement can lead to inefficiencies, material waste, equipment wear, and even dangerous working conditions.


Overview of Flow Meter Technologies

Various flow measurement technologies are in use today:

  • Turbine meters: Use mechanical blades that rotate with flow

  • Ultrasonic meters: Utilize sound waves to measure velocity

  • Electromagnetic meters: Apply Faraday’s Law to measure conductive liquids

  • Coriolis meters: Measure mass flow through tube oscillation

  • Vortex meters: Use vortex shedding principles (our focus here)

Each method has unique advantages depending on application, fluid type, and required precision. You can explore more in our electromagnetic flow meter guide, which compares these technologies in detail.


What Is a Vortex Flow Meter?

A vortex flow meter measures flow using the principle of vortex shedding. Here’s how it works:

Inside the meter is a bluff body, an obstruction placed directly in the flow path. As fluid flows past this body, it creates alternating vortices (swirling patterns) downstream. These vortices occur at a frequency that is directly proportional to the flow velocity.

Advertisement

Sensors detect these pressure pulses or oscillations, and the system converts them into flow rate data. This makes the vortex flow meter particularly effective for measuring steam, gases, and clean liquids.


Advantages of Vortex Flow Meters

  • No moving parts – reduces mechanical wear and maintenance

  • High accuracy – ideal for process-critical applications

  • Wide operating range – suitable for both low and high flow rates

  • Robust construction – handles high pressure and temperature conditions

  • Cost-effective – compared to mass flow meters like Coriolis

These meters are widely used in power plants, chemical facilities, and HVAC systems because they combine accuracy with durability.


Components: Sensor and Transmitter

While the term “vortex flow meter” is often used broadly, the system actually consists of several integrated parts:

  • Vortex Flow Sensor: Captures the vortex frequency using piezoelectric or ultrasonic detection methods. This is the core measurement device.

  • Vortex Flow Transmitter: Converts the sensor’s signal into standard outputs (4–20 mA, HART, Modbus, etc.), allowing the data to be integrated into a SCADA system or PLC for process control.

Together, the sensor and transmitter form a reliable and accurate solution for automated industrial environments.


Common Applications

Vortex flow meters are used across a broad range of industries due to their versatility:

Advertisement
  • Oil & Gas: Measuring gas or liquid hydrocarbons in pipelines

  • Power Generation: Monitoring steam in turbine lines

  • Pharmaceuticals: Ensuring precise mixing and transfer of fluids

  • Food & Beverage: Measuring water, syrup, or cleaning agents

  • HVAC Systems: Managing steam or chilled water for heating/cooling

Their ability to withstand temperature extremes, high pressures, and corrosive media makes them a popular choice in demanding environments.


Comparison with Other Flow Technologies

While vortex meters are excellent for many scenarios, they aren’t universally ideal. Here’s how they compare:

Flow Meter Type Ideal For Limitations
Vortex Steam, gas, clean liquids Not suitable for dirty or viscous fluids
Coriolis Precise mass flow, dense fluids High cost, larger footprint
Ultrasonic Large pipes, clean water/gas Sensitive to turbulence, costly
Electromagnetic Conductive liquids Cannot measure gases or hydrocarbons

For applications involving conductive liquids like wastewater or chemicals, electromagnetic meters may be more suitable.


Final Thoughts

Flow measurement is not just a technical detail—it’s a critical component of safe, efficient industrial operation. Devices like the vortex flow meter, along with supporting sensors and transmitters, allow engineers and technicians to accurately monitor and control fluid movement in real time.

For anyone pursuing the ICCGO Exam, understanding the principles, components, and use cases of vortex flow technology is fundamental. With its low maintenance, high reliability, and broad application range, vortex flow measurement remains a go-to solution across industries.

Advertisement

Prepared by: DavisControlsLtd
Empowering industrial performance through smart measurement solutions.

Author

Continue Reading
Advertisement

Business

Moving from US to Canada: What Should You Know in 2025

Published

on

By

Reviewed
By Elena Brown

Moving from US to Canada

Introduction

Moving to Canada as an American is a significant life change –  legally, financially and personally. Whether you’re searching for a better quality of life, career prospects, or a new pace of life, knowing what it takes to move from the US to Canada is a complicated but important task.
As we enter 2025, more Americans are deciding to move to Canada than ever before, but moving across an international border requires effort and consideration beyond simply packing boxes. Between immigration rules, taxes and healthcare, it is important to understand the information outlined below before embarking on the next chapter of your life. 

How to Legally Move to Canada

Although American citizens do not need a visa for short term travel to Canada, you will need to apply for the appropriate status – a work permit, study permit or permanent residency status – to be legally able to live or work in Canada. 

Some options under the following immigration routes are:

  • Express Entry (for skilled workers)
  • Provincial Nominee Programs 
  • Family Sponsorship
  • CUSMA (previously known as NAFTA) work permits for professionals outside of skilled workers.

An overwhelming majority of Americans seeking to relocate to Canada long-term apply for permanent residency (normally after having lived in Canada several months under the other visa categories). After this, you are on the path to citizenship.
Here is some good news: both the US and Canada allow “dual citizenship,” so you do not need to give up your US passport!

Things To Remember While Moving From US to Canada

1. Tax Responsibilities in Both Countries

(Still Required to File U.S. Taxes)

U.S. citizens and green card holders should continue to file U.S. federal tax returns every year, regardless of where they live in the world, and they must report their global income.
There are avenues available to American taxpayers residing in Canada to help them avoid double taxation: 

Advertisement
  • Foreign Earned Income Exclusion
  • Foreign Tax Credits
  • Benefits of the tax treaty between Canada and the U.S.
  • Canadian Tax Residency

Canada taxes residents based on where they reside, rather than on the basis of citizenship. If you spend more than 183 days in Canada in a year or establish significant residential ties to Canada (e.g. having a home in Canada or family), you will generally be deemed a Canadian tax resident and you will typically be required to file a tax return with the CRA.

2. Healthcare Access and Insurance

(Canada’s Public Healthcare System)
The healthcare system in Canada is a public health-care system available for permanent residents outside of Canada. However, newcomers are usually faced with a waiting period (usually up to 3 months) before their provincial health coverage can begin.
In the meantime, you will want private health insurance. Once you are covered, you will access medically necessary services such as doctor visits and hospitalizations. Keep in mind that dental, vision, and prescription drug coverage may require additional private insurance.

3. Social Security, Retirement, and Pensions

Canada and the US have a totalization agreement aimed at coordinating the contributions to Social Security and pensions. This agreement eliminates instances where you will be required to contribute to both systems simultaneously and helps identify eligibility for benefits from either country.
If you will receive U.S. Social Security benefits, they may or may not be taxable in Canada depending on your income amount. Similarly, a Canadian pension such as the CPP may result in tax implications with the U.S.

4. Housing, employment, and lifestyle considerations

(Finding a place to live)
Housing prices can vary drastically across Canada. Cities such as Toronto or Vancouver; however, all cities are incredibly desirable places to live. You may find smaller cities or rural communities are much more affordable.
If you have property in the U.S., you may want to note that selling property after you establish your tax residence in Canada may lead to

5. Working in Canada

Numerous Americans relocated to Canada in pursuit of employment. Nonetheless, certain professions mandated certification or licensing—like many fields of education, engineering, or healthcare.
If you intend to perform remote work for a U.S. employer while living in Canada, you may still need a Canadian work permit, and you will likely need to report your income to both countries’ tax entities.

6. Differences in the Price of Living

The cost of living in Canada can be higher than areas of the U.S., especially with regard to housing, food, and taxes. That said, plenty of expatriates make the switch, and they appreciate the benefits of moving to another country enough to offset the costs—like universal healthcare, better work-life balance, and greater safety.

Advertisement

Things to Do Ahead of Moving

When you are making preparations to relocate, keep in mind these practicalities:

  • Apply as soon as possible to get the correct immigration status.
  • Hire a cross-border tax advisor to discuss your dual obligations.
  • Get private health insurance to cover you for your first few months.
  • Inform U.S. institutions (banks, IRS, Social Security, etc.) that you are moving.
  • Keep a good record of your move entry date, contracts, etc, keep all your travel receipts.
  • Do not make significant financial moves before you move moving assets and withdrawals can trigger tax events with your IRS.

Final Thoughts: Make Your Move Knowledgeable

Moving from the U.S. to Canada can be a thrilling time but it can also be overwhelming! From sorting out your legal residency status, to filing taxes in two countries, to receiving health care services, there are many things to consider before crossing the border. With preparation and expert assistance, your move can be seamless, and you can begin your life in Canada with excitement.
However you’re moving to another country, for work, school, or personal reasons, knowing these nuances sooner rather than later can save you headaches later.

FAQs: Moving from US to Canada

Q1. If I become a Canadian, will I lose my U.S. citizenship?

No. Canada and the United States both allow dual citizenship and, therefore, both U.S. and Canadian passports.

Q2. Will I have to file U.S. taxes after I move to Canada?

Yes. U.S. citizens are required to file federal tax returns regardless of where they live.

Advertisement

Q3. Will I be able to receive health insurance right away?

Most provinces will have a waiting period before qualifying for public health insurance, so it is advised to have private health insurance to cover that waiting period.

Q4. Will my U.S. retirement accounts be taxed in Canada?

It would depend. The United States will typically recognize RRSPs, but not typically TFSAs. You’ll want to take action in advance and plan accordingly with a tax advisor. 

Author

Advertisement
Continue Reading

Business

Why Businesses Choose Custom Desk Calendars Wholesale for Corporate

Published

on

By

Reviewed
By Lainey Hooper

Custom Desk Calendars Wholesale

Introduction

In the world of corporate gifting, practicality, visibility, and value are key factors that determine the success of a promotional item. Among the wide variety of products available today, Custom Desk Calendars Wholesale continue to be one of the most effective tools for maintaining brand presence throughout the year. With their year-long usability and daily exposure, these calendars serve as subtle yet powerful reminders of your company’s name, logo, and message. Businesses across industries are increasingly turning to desk calendars as their go-to option for promotional gifting and for good reason.

The Timeless Appeal of Custom Desk Calendars Wholesale

Despite the rise of digital tools and mobile reminders, physical calendars have maintained their charm. A well-designed desk calendar doesn’t just help in tracking dates; it enhances workspace organization and serves as a visual branding piece. Companies that invest in Custom Desk Calendars Wholesale benefit from consistent exposure, as clients and employees see their brand daily. Whether placed in offices, schools, or home workspaces, these calendars work as year-round advertisements without being intrusive.

What makes them even more valuable is their cost-effectiveness. Ordering in bulk ensures businesses receive high-quality calendars at economical rates, making them ideal for large-scale distribution during events, tradeshows, or as end-of-year corporate gifts.

Corporate Gifting That Combines Function and Branding

A desk calendar bridges functionality with promotional power. It’s an item that everyone needs, ensuring it won’t be discarded or ignored. When companies personalize calendars with creative layouts, motivational quotes, or attractive brand visuals, they transform them into branding masterpieces.

Through Custom Desk Calendars Wholesale, companies can highlight key milestones, display monthly product features, or even include QR codes leading to their websites. Each page flip becomes an opportunity for engagement. This thoughtful approach enhances brand recall and creates a positive impression of the business.

Advertisement

Moreover, desk calendars are not limited to the corporate environment. They make excellent gifts for schools, colleges, and small enterprises as part of Back to School Supplies campaigns. Institutions can feature schedules, holidays, or important academic dates, ensuring students and teachers stay organized while keeping the sponsoring brand in constant view.

An Eco-Friendly and Sustainable Option

As businesses increasingly align with eco-conscious practices, choosing Sustainable Promotional Products like desk calendars demonstrates corporate responsibility. Many suppliers now provide calendars made from recycled paper or biodegradable materials, appealing to environmentally aware audiences. By investing in sustainable designs, companies not only reduce their environmental footprint but also promote a green image that resonates with modern consumers.

Promoting sustainability through Custom Desk Calendars Wholesale helps brands position themselves as forward-thinking and socially responsible. In fact, eco-friendly gifts are often better received by clients and employees, creating goodwill and reinforcing positive brand associations.

Supporting Business Events and Employee Engagement

Corporate events, conferences, and employee recognition programs benefit immensely from branded calendars. These items can be distributed as thank-you gifts, participation souvenirs, or appreciation tokens. They also serve as conversation starters, particularly when the design is sleek and well-thought-out.

Pairing calendars with apparel items such as custom polo shirts in bulk or Promotional T-shirts Wholesale further strengthens the corporate branding package. When gifted together, these products create a cohesive promotional experience that amplifies visibility across multiple touchpoints. Employees and customers proudly display and use these items, extending the reach of your brand organically.

Advertisement

Versatile Across Industries

Another reason Custom Desk Calendars Wholesale stand out is their versatility. From real estate firms showcasing property photos to tech companies featuring product launches, every business can tailor calendar designs to reflect its unique personality. Restaurants, wellness centers, and financial institutions also benefit from calendars as they subtly remind clients of their offerings and reliability.

For promotional campaigns, combining calendars with portable products such as Custom Fanny Packs Bulk enhances mobility and exposure. Fanny packs are trendy and practical, ideal for outdoor events or travel giveaways, while calendars maintain visibility in office or home settings. Together, they create a well-rounded promotional strategy that captures attention both indoors and outdoors.

Conclusion

In a fast-paced digital world, the appeal of tangible, functional gifts remains strong. Custom Desk Calendars Wholesale embody the perfect balance between practicality, affordability, and brand impact. They ensure your logo stays visible every day, building brand familiarity and loyalty among clients and employees alike.

Whether you’re a business owner seeking to strengthen corporate relationships or a marketer aiming to enhance brand presence, these calendars offer an unbeatable solution. When combined with other promotional tools like custom polo shirts in bulk, Promotional T-shirts Wholesale, and Custom Fanny Packs Bulk, they form a dynamic marketing package that leaves a lasting impression.

So, if you’re planning your next promotional campaign or looking to add meaningful gifts to your corporate lineup, choose Custom Desk Calendars Wholesale because keeping your brand on every desk means keeping your business in mind all year long.

Advertisement

Author

  • elenakyle68

    Hello, my name is Elena Kyle, and I live in New York. I work at PapaChina as a Marketing Manager, where I’ve been leading strategic promotional campaigns for global clients. PapaChina is a reliable China wholesale supplier that helps businesses worldwide grow their brand presence through high-quality, customizable products. From my experience, I’ve seen how PapaChina supports eco-conscious brands by offering a wide selection of sustainable promotional products that not only reduce environmental impact but also make a lasting impression. If you’re planning events or giveaways, I highly recommend exploring PapaChina’s trendy accessories like Custom Fanny Packs, which are perfect for lifestyle promotions and outdoor campaigns. For brands in the tech space, PapaChina also provides Custom USB Flash Drives Bulk, which combine utility with sleek branding. They’re especially popular at trade shows and corporate events. Recently, many clients have shown interest in sports-based promotions, and for that, PapaChina supplies high-quality Custom Pickleball Paddle in Bulk – a great option for active and recreational branding. We also support entrepreneurs through Dropshipping From China, helping them launch efficient, product-based businesses. For those just starting out, we offer expert guidance on How To Become a Reseller with low entry barriers. View all posts

Continue Reading

Business

Dating App Development Company for Secure Matchmaking Apps

Published

on

By

Reviewed
By Layla Collins

dating app development company

Introduction

In today’s digital age, dating apps have revolutionized how people meet and connect. With technology shaping relationships, the need for secure, user-friendly, and scalable matchmaking platforms has never been greater. This is where a Dating App Development Company in India plays a vital role. From building customized features to ensuring top-notch security, these companies help businesses create platforms that redefine modern dating experiences.

The Rising Demand for Dating Apps

The dating industry has seen tremendous growth in recent years. With millions of users turning to online platforms to find meaningful connections, the demand for advanced and secure apps has skyrocketed. Entrepreneurs and startups are now investing in dating app solutions to tap into this ever-growing market. A professional Dating App Development Company offers the right blend of technology, creativity, and market understanding to bring these ideas to life.

Why Choose a Dating App Development Company in India

Creating a dating app from scratch can be tricky. It’s more than just putting profiles and chat features together. A successful dating app needs strong security, smart matching features, easy design, and the ability to grow with your users. That’s a lot to manage.

A dating app development company brings the right skills, tools, and experience to turn your idea into a working product. They understand what users want and what today’s dating apps need to stand out. Plus, they know how to build apps that are safe, fast, and ready for the market.

India has emerged as a hub for app development due to its strong technical expertise, innovative approach, and cost-effective solutions. A Dating App Development Company in India focuses on creating platforms that not only look great but also deliver flawless performance and user satisfaction.

Advertisement

Here’s why partnering with an Indian development company makes sense:

  • Expertise in Modern Technologies: Indian companies use advanced tools like Flutter, React Native, and AI-driven matchmaking algorithms to enhance app performance and engagement.
  • Custom Features and Scalability: Every dating app needs unique features such as real-time chat, location-based matches, AI recommendations, and secure authentication. A professional company customizes these according to your business model and audience.
  • Focus on Security: User data protection is a top priority. With features like end-to-end encryption, two-factor authentication, and secure payment gateways, Indian developers ensure your platform is safe from cyber threats.
  • Affordable Development Solutions: Compared to Western markets, hiring a Dating App Development Company in India offers cost efficiency without compromising on quality or innovation.

What Makes a Dating App Secure?

When it comes to online dating, security is everything. Users share private information like names, photos, messages, and sometimes even their location. A good dating app development company focuses on:

  • Data Encryption: All user data should be encrypted so that personal information stays private and safe from hackers.
  • User Verification: To avoid fake profiles and scams, apps should include phone or email verification, and even selfie checks or video verification if needed.
  • Privacy Settings: Users should have full control over who can see their profile and message them. Blocking and reporting tools must be easy to find and use.
  • Secure Payments: If your app includes subscriptions or in-app purchases, secure payment gateways and protection from fraud are a must.
  • Security Updates: Hackers and scammers are always trying new tricks. A professional company keeps the app updated to fix bugs and add the latest security tools.

Core Dating App Development Services

A reputed Dating App Development Company offers end-to-end services that cover every aspect of app creation, including:

  • UI/UX Design: Creating visually appealing and intuitive user interfaces.
  • Backend Development: Building secure, scalable architectures for seamless performance.
  • AI-Powered Matchmaking: Implementing smart algorithms to improve match accuracy.
  • Chat & Video Integration: Real-time communication to keep users engaged.
  • Maintenance & Support: Continuous monitoring, bug fixing, and updates.

These Dating App Development Services ensure your app runs smoothly and adapts to changing user preferences and technological advancements.

Importance of Security in Matchmaking Apps

One of the biggest concerns for dating app users is privacy and data security. A trusted Dating App Development Company in India takes several steps to guarantee that users can interact safely on the platform. These include:

  • Data Encryption: Protecting all user communications and data transfers.
  • Profile Verification: Ensuring only genuine users can join and interact on the platform.
  • AI-Based Moderation: Detecting and preventing inappropriate behavior or fake profiles.
  • Secure Payment Systems: Safeguarding transactions for premium memberships and features.

By integrating these safety features, businesses can build trust among users, which is crucial for long-term success.

How a Dating App Development Company Enhances User Engagement

User engagement is key to the success of any dating platform. A Dating App Development Company focuses on providing an interactive experience through:

  • Gamification: Adding fun features like swipes, likes, and compatibility quizzes.
  • Push Notifications: Keeping users updated with new matches and messages.
  • AI Recommendations: Offering smart match suggestions based on behavior and interests.
  • Social Media Integration: Allowing users to connect their social accounts for authenticity.

These elements not only make the app more engaging but also increase user retention and satisfaction.

Role of the Best SEO Company in Delhi NCR

While developing a feature-rich app is essential, marketing it effectively is equally important. Partnering with the Best SEO Company in Delhi NCR helps promote your app, improve visibility, and attract organic downloads. Through strategic keyword optimization, content marketing, and app store optimization (ASO), SEO experts ensure that your dating app ranks higher on search engines and app stores.

Combining technical excellence from a Dating App Development Company in India with effective digital marketing from the Best SEO Company in Delhi NCR gives your app a competitive edge in the online dating space.

Advertisement

Benefits of Working With a Dating App Development Company

Choosing the right company gives you many advantages:

  • Custom Solutions: Every dating app idea is different. A development company can create a custom solution that fits your brand and goals.
  • Expert Team: You get access to skilled developers, UI/UX designers, testers, and project managers—all working to build your app.
  • Time and Cost Savings: Professional teams work faster and more efficiently, helping you launch quicker without wasting money.
  • Post-Launch Support: Good companies don’t stop at launch. They offer updates, fix bugs, and help you scale as your app grows.
  • Scalability: As more users join your app, the backend should be ready to handle more traffic. Development companies know how to build scalable apps that perform well even with millions of users.

How to Choose the Right Dating App Development Company

With so many tech companies out there, how do you choose the right one for your dating app? Here are a few tips:

  • Check Their Portfolio: Look at their past projects. Have they built dating or social apps before? A good portfolio shows experience and success.
  • Ask for Client Reviews: Talk to other businesses who worked with them. Were they happy with the service and final product?
  • Understand Their Process: Ask about how they plan, design, develop, and test the app. A clear process means fewer surprises.
  • Focus on Communication: Choose a company that listens to your ideas and gives honest advice. Good communication is the key to a successful app.
  • Consider Budget and Timeline: Set a clear budget and timeline, and make sure the company can work within those limits.

Future Trends in Dating App Development

Dating apps are always changing. Here are a few trends shaping the future of matchmaking apps:

  • AI-Powered Matchmaking: Smarter AI helps find better matches by learning user behavior.
  • Augmented Reality (AR): AR features let users interact in new, fun ways.
  • Gamification: Games and quizzes make dating more fun and engaging.
  • Niche Dating Apps: Apps built for specific groups (by interest, culture, or location) are growing in popularity.
  • Safer Spaces for Women and LGBTQ+ Users: Inclusive design is becoming more common, helping everyone feel safe and welcome.

Conclusion

The online dating industry is booming, and standing out requires innovation, security, and a seamless user experience. A professional Dating App Development Company in India offers the right blend of technology and creativity to build safe, scalable, and user-focused matchmaking platforms. Whether you are a startup or an established business, partnering with experts ensures your app not only meets but exceeds user expectations.

From concept to launch and marketing, these companies guide you every step of the way—turning your vision into a thriving digital product. If you’re planning to enter the dating app market, now is the perfect time to collaborate with a trusted Dating App Development Company and the Best SEO Company in Delhi NCR to achieve success in this competitive space.

Author

Continue Reading

Readers like you help support Contrank. When you make a purchase using links on our site, we may earn an affiliate commission. Read More.

Advertisement

Trending

Disclaimer:
This blogging site is operated as part of PAEA Foundation Inc. (www.paeafoundation.org), a registered nonprofit organization. All content published here is contributed voluntarily by a global community of over 1,000 writers and content creators who support our mission to foster open knowledge, creativity, and community learning. The views expressed in each post are those of the respective authors and do not necessarily reflect the views of the PAEA Foundation. We do not accept payment for publishing articles and do not engage in commercial content promotion. Our platform is maintained for educational and nonprofit purposes in line with our mission. For inquiries about our nonprofit status or use of this platform under nonprofit licensing (e.g., WHM), please contact us.
Copyright ©2025. Contrank