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Which Two Piece Toilet is the Most Resistant to Clogging?

Two-Piece Toilet Resistant

Clogged toilets can be a genuine inconvenience and even a source of embarrassment in any household. If you’re tired of dealing with frequent toilet clogs and are searching for a reliable solution, you’ve come to the right place. This article will explore the world of two piece toilet and uncover which models are the most resistant to clogging. We’ll also consider the availability of these toilets in Germany, where efficient plumbing is highly valued.

The Battle Against Toilet Clogs

Toilet clogs can happen for various reasons, including excessive toilet paper usage, foreign objects being flushed, or issues with the toilet’s design and flush system. Two piece toilet, with separate tanks and bowls, offer distinct advantages when preventing clogs.

Advantages of Two Piece Toilets in Clog Prevention

  • Adjustable Flush Power: 

Many two piece toilet come with flexible flush mechanisms, allowing you to control the force of the flush. This can be particularly useful for preventing clogs, as you can use a more robust color.

  • Ease of Maintenance:

Two piece toilet are easier to maintain and unclog compared to one piece toilet. Accessing the tramway and clearing any blockages is a significant advantage.

  • Availability of High-Performance Models:

Several toilet manufacturers produce high-performance two piece toilet with advanced flushing technologies to minimize clogs.

Features to Look for in a Clog-Resistant Two Piece Toilet

When shopping for a two piece toilet that’s less prone to clogging, consider the following features:

  • Powerful Flush System:

Look for toilets with robust flush systems that efficiently clear waste with a single flush. Dual flush mechanisms, pressure-assisted systems, and gravity-fed flushes are options to explore.

  • Large Trapway:

A wider tramway can help prevent clogs by allowing waste to move through more efficiently. Look for toilets with trapways of at least 2 inches in diameter.

  • Glazed Trapway and Bowl:

Toilets with glazed trapways and bowls have a smooth surface that reduces friction, making it harder for waste to stick and cause clogs.

  • Water-Saving Features:

Many modern two piece toilet combine clog resistance with water-saving technology. These toilets use less water per flush while maintaining powerful performance.


In your quest to find the most clog-resistant two piece toilet, it’s essential to consider not only the brand but also specific models and their features. Look for bathrooms with robust flush systems, large trapways, glazed surfaces, and water-saving technology. Additionally, consider consulting with a plumbing professional in Germany to find a toilet that aligns with your plumbing system and local water regulations.
Investing in a clog-resistant two piece toilet can minimize the inconvenience and frustration of toilet clogs in your home, ensuring a more efficient and trouble-free bathroom experience.

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What Constitutes a Two Piece Toilet?


When selecting a toilet for your home, you might face various options, each with its features and advantages. One of the most common choices is the two piece toilet. What constitutes a two piece toilet, its anatomy, benefits, and the steps involved in its installation?

Understanding the Basics: What is a Two Piece Toilet?

The tank and bowl comprise the two major parts of a two piece toilet, also referred to as a linked toilet. These two components are produced separately and then put together during installation. A one piece toilet, in contrast, has a tank and bowl joined together as a single piece.

How a Two Piece Toilet Works

Let’s take a closer look at the structure of two piece toilet before discussing their advantages and installation:


  • Rim: The top portion of the bowl’s rim creates the bowl’s border and channels water into it while flushing.
  • Trapway: The curved channel at the base of the bowl that carries waste to the drainpipe.
  • Siphon Jet: A strategically positioned jet that creates a strong flush using water pressure.
  • Mounting Holes: These are used to secure the bowl to the floor during installation.
  • Seat Holes: These holes attach the toilet seat to the bowl.


  • Lid: The top cover of the tank, which can be removed for maintenance.
  • Flush Valve: A mechanism that regulates the release of water from the tank into the bowl during flushing.
  • Fill Valve: The component responsible for refilling the tank with water after a flush.
  • Flapper Valve: A rubber seal opening and closing to release water into the bowl during flushing.
  • Overflow Tube: A tube that prevents overflowing the tank by directing excess water into the bowl.
  • Mounting Bolts: These bolts secure the tank to the bowl during installation.

Now that we’ve dissected the essential components of a two-piece toilet let’s explore the advantages of choosing this type of toilet for your bathroom.

Toilet bowl and tank

The toilet basin and tank are indispensable components of a modern plumbing system that play a vital role in maintaining sanitation and personal hygiene. Together, they form a functional unit that disposes of human waste efficiently and maintains a restroom’s hygiene and comfort.

Toilet Bowl:

The toilet basin is the visible, typically porcelain portion of the commode that contains human excrement. It is designed with an ergonomic shape for comfort and has an S-shaped tramway or P-trap that prevents wastewater gases from entering the lavatory. The basin is attached to the floor, where users rest or kneel to perform their bodily functions.

Key features of a toilet bowl include:

  • Water Entry and Exit: There are holes along the rim and the bottom of the bowl through which water enters and exits. This allows for efficient flushing and waste removal.
  • Seat and Lid: Most toilet bowls have a seat and a lid. The center is where users sit, while the top can be closed to maintain hygiene and prevent unpleasant odors from escaping.
  • Bowl Shape: Toilet bowls come in various shapes, with elongated and round being the most common. The condition can affect user comfort and the toilet’s space.
  • Flushing Mechanism: The toilet bowl is connected to the tank, which houses the flushing mechanism. When started, this means dismissing water from the tank into the bowl to rinse away debris.
  • Cleaning Surfaces: Many stylish toilet bowls are prepared with easy-to-clean textures, such as glazed ceramic, to control the advertisement of pigments and bacteria.

Toilet Tank:

The toilet tank is the upper portion of the toilet that stores and controls the water needed for flushing. It is typically located behind or above the toilet bowl and is connected to the bowl through a flush valve. The tank plays a critical role in the flushing process and water conservation.

Key features of a toilet tank include:

  • Water Supply: The tank is attached to the water supply line, permitting it to serve with water after per bloom. This water is kept until it is required for flushing.
  • Flush Mechanism: Inside the tank, several components of the Flushing system comprise the flush mechanism. This includes the fill valve, flush valve, flapper, and flush handle or button. When the flush handle is pressed, it triggers the flush valve to open, allowing water to rush into the bowl and remove waste.
  • Water-Saving Options: Many modern toilets are designed with water-saving features, such as dual-flush systems. These systems allow users to pick between a partisan flush for liquid waste and a full flush for solid waste, allowing water conservation.
  • Overflow Tube: The overflow tube in the tank ensures that excess water does not flood the bathroom. If the water status in the tank increases too high, it will drain into the bowl through the overflow tube.
  • Float Ball or Cup: The float mechanism in the tank controls the fill valve, regulating the amount of water in the tank. When the tank is complete, the float mechanism shuts off the fill valve to prevent overfilling.

Ceramic toilet

A ceramic toilet is a popular bathroom accessory because of its toughness, cleanliness, and aesthetic appeal. It is made of baked clay and has a smooth, impervious surface that repels stains and smells, making cleaning and maintaining it simple. Ceramic’s intrinsic strength provides durability after years of regular usage. Its modern design offers a timeless elegance and blends with various bathroom designs, from traditional to contemporary. Additionally, ceramic toilet are available in multiple sizes and designs to accommodate different tastes and limitations on space. The ceramic toilet, which flawlessly combines structure and function, is still a standard of contemporary sanitation in home and commercial settings.

Flushing system

The flushing system in a two piece toilet is a fundamental component responsible for waste removal and water conservation. His approach is critical to a toilet’s functionality. Inside the tank, you’ll find essential elements:

  • Fill Valve: Controls water inflow to refill the tank after flushing.
  • Flush Valve: Typically a flapper or canister, it releases water into the bowl when the flush mechanism is activated.
  • Flush Handle/Button: Initiates flushing by lifting the flush valve.

When you activate the flush, water rushes into the bowl, creating a force that removes waste and cleans the bowl. The toilet bowl often features a siphon jet, aiding waste removal through a siphon effect.

Modern two piece toilet often prioritize water conservation, with options like dual-flush toilets offering full and partial flush modes. This design reduces water usage for liquid waste disposal, making two piece toilet more efficient and eco-friendly.

The Benefits of Two-Piece Toilets

Two-piece toilets offer several advantages, making them popular among homeowners and builders. The two piece toilet is the right fit for your bathroom:

Easy Maintenance:

One of the significant advantages of two piece toilet is their ease of maintenance. Since the tank and bowl are separate components, accessing and repairing individual parts is more straightforward. If an element in the tank malfunctions, you can simply replace it without affecting the bowl.


In general, two piece toilet are less expensive than one piece versions. Customers will pay less because of the more straightforward production method and lesser material requirements. A two piece toilet might be a desirable alternative without renouncing grade if you have a restricted budget.

Variety of Styles and Designs:

To adjust two piece toilet aesthetics, two piece toilet are available in various forms and designs. You can select a two piece toilet that matches your décor, whether your bathroom is conventional, contemporary, or eclectic. With so many different design possibilities, you may personalize your bathroom.

Easy Replacement:

If you ever require to supersede your toilet in the future, a two-piece toilet is specific to uninstall and return. Depending on your requirements, you can maintain the existing bowl and modify only the tank or vice versa.

Efficient Flushing:

Two piece toilet are designed to provide efficient flushing performance. The separate tank allows a more extensive water reservoir to generate a more powerful flush, effectively removing waste from the bowl. Many two piece toilet also feature innovative flushing systems that minimize water usage while maintaining flushing effectiveness.

Environmentally Friendly Options:

Many two piece toilet are equipped with dual-flush mechanisms for those concerned about water conservation. These toilets permit you to select between a partial flush for liquid excrement and a full flush for solid manure, decreasing water consumption and contributing to eco-friendliness.

Installation Steps

1. Preparation:

  • Turn off the water supply to the existing toilet by shutting off the water valve near the floor.
  • Remove the old toilet by unscrewing the nuts connecting the supply line to the tank and removing the closet bolts securing the bathroom to the floor.
  • Scrape away any old wax ring and clean the flange (the opening on the floor where the toilet sits).

2. Wax Ring Installation:

  • Put a new wax ring onto the flange, providing it is centered over the opening.

3. Set the Bowl:

  • Carefully lift the new two-piece toilet bowl and align it with the closet bolts on the flange.
  • Push the bowl down onto the wax ring to make a watertight seal. Ensure the bowl is level by using a group.

4. Secure the Bowl:

  • Place washers and nuts onto the closet bolts and tighten them evenly to secure the bowl to the floor. Be cautious not to over-tighten and crack the toilet bowl.

5. Install the Tank:

  • Attach the tank to the bowl by aligning the mounting holes with the bolts.
  • Set washers and nuts onto the bolts and pull them to connect the tank to the bowl.

6. Connect the Water Supply:

  • Connect the water supply pipe to the fill valve on the bottom of the tank. Hand-tighten the nut, then use an adjustable wrench to give it a quarter-turn to ensure a secure connection.

7. Fill the Tank:

  • Slowly turn on the water supply valve to fill the tank. Check for leaks at the toilet’s base and the water supply connection.

8. Attach the Toilet Seat:

  • Follow the manufacturer’s pedagogy to lodge the toilet seat onto the bowl. This typically involves securing it with nuts and bolts.

9. Test Flush:

  • Flush the toilet to ensure it functions correctly. Check for any leaks or unusual noises during the flush.

10. Finish Installation:

  • Trim any excess closet bolt length above the nuts using a hacksaw.
  • If desired, apply a bead of caulk to the toilet’s base to make a neat and watertight seal.

11. Cleanup:

  • Dispose of the old toilet properly and clean up the work area.


In summary, a two piece toilet consists of a separate tank and bowl, offering numerous benefits such as ease of maintenance, cost-effectiveness, design versatility, and efficient flushing. Carefully following these stages, from area preparation through installation, is essential for a sound structure.
Understanding what a two-piece toilet is and its benefits will help you make an educated choice, whether you’re redesigning your bathroom or replacing it. A two piece toilet may provide your bathroom with years of dependable performance and aesthetic appeal with the appropriate choice and careful installation.

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Two Piece Toilet: A Classic and Versatile Bathroom Fixture

Two Piece Toilets

A crucial element of any functional bathroom is the toilet. You’ll encounter various types and designs when considering the perfect toilet for your home. One option that has stood the test of time is the two piece toilet. In this article, we will explore the features, benefits, and considerations related to two piece toilet, guiding you through making an informed choice for your bathroom.


In this section, we will briefly overview the article’s content, introduce the concept of a two piece toilet, and emphasize its prominence and versatility in modern bathrooms.

What is a two piece toilet?

Here, we will explain what constitutes a two piece toilet, highlighting its distinctive design that separates the tank and bowl into two pieces. We will discuss how this design allows easier handling during installation and maintenance.

Advantages of two piece toilet

Under this heading will outline the advantages of choosing a two piece toilet. We will discuss features such as affordability, availability, and the ability to replace individual components easily. Additionally, we will highlight the wide range of styles and designs available in the two piece toilet category.

Different types of two piece toilet

This section will explore the various variants of two piece toilet available in the market. We will discuss options like gravity-fed, pressure-assisted, and dual flush two piece toilet, highlighting their unique functionalities and benefits.

Factors to consider when purchasing a two piece toilet

Here, we will give readers a comprehensive overview of the essential factors before purchasing a two piece toilet. Topics covered may include size, flushing mechanism, water efficiency, comfort features, and budget considerations.

Installation process of a two piece toilet

Under this heading will explain the step-by-step process of installing a two piece toilet. We will cover the necessary tools, preparation, and detailed instructions to guide readers through installation.

Maintenance tips for two piece toilet

This section will discuss the best practices for maintaining and cleaning a two piece toilet. We will provide tips for preventing leaks, addressing common issues, and ensuring the longevity of the toilet’s components.

How to choose the best two piece toilet

Here, we will guide readers on choosing the best two piece toilet based on their specific needs and preferences. We will provide a checklist of important considerations, such as water efficiency, flushing power, comfort features, and bathroom style compatibility.

Popular brands of two piece toilet

Under this heading, we will showcase some well-known and reputable brands that offer high-quality two piece toilet. We will briefly discuss each brand’s unique features and design elements and provide recommendations based on customer reviews and expert evaluations.

Comparing two piece toilet to other toilet options

In this section, we will compare two piece toilet with other types, such as one piece and wall-mounted toilets. We will analyze the pros and cons of each option, helping readers understand the distinct characteristics and benefits of two piece toilet.


In the conclusion paragraph, we will summarize the critical points discussed in the article, emphasizing the classic appeal, versatility, and affordability of two piece toilet. We will highlight the importance of considering individual preferences and requirements when selecting a toilet for your bathroom.

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FAQs (Frequently Asked Questions)

Here, we will answer common questions related to two piece toilet. We will address installation, maintenance, water usage, durability, and design options concerns.

Here are some frequently asked questions related to two piece toilet:

Q: Are two piece toilet more affordable than one piece toilet?

A: Generally, two piece toilet are more affordable, making them a popular choice for homeowners on a budget.

Q: Can I replace individual parts of a two piece toilet if they break or wear out?

A: Yes, one of the advantages of two piece toilet is the ability to replace individual parts, such as the tank, bowl, or flushing mechanism, making maintenance and repairs more accessible.

Q: Are two piece toilet suitable for small bathrooms?

A: Two piece toilet come in various sizes, including compact models specifically designed for smaller bathrooms. It is essential to consider the dimensions before purchasing.

Q: Do two piece toilet require special cleaning or maintenance?

A: Regular cleaning and maintenance practices, such as keeping the toilet bowl clean and addressing any leaks promptly, apply to two piece toilet like any other toilet.

Q: Can I upgrade to a two-piece toilet with additional features?

A: Upgrading a two piece toilet with features like bidet attachments or water-saving mechanisms is possible, although compatibility with specific models may vary.

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The Siphonic Toilet in Germany: A Reliable and Efficient Bathroom Fixture

Siphonic Toilet

When choosing the proper toilet for your bathroom, you’re faced with many options, each with its features and advantages. In Germany, two popular choices are siphonic and washdown toilets. Both types have their merits, but understanding their differences is crucial to making an informed decision. This article dives into siphonic and washdown toilets, exploring their mechanisms, benefits, and suitability for different scenarios.

When the discussion about toilets comes up, Thomas Crapper is a name that comes up very often. You might ask “What did Thomas Crapper inventto be in the discussion well the answer is simple he invented the “U” shaped bend in many toilets that helped the process of odor control effectively.  

What is a Siphonic Toilet?

A siphonic toilet has a long and narrow ‘P’ or ‘S’ shaped trap way. Which ends in the inlet of the bowl, and the other connects to the drainpipe. This trap-way design creates a siphon. Pulling the lever opens and lets the tank water flow into the bowl. The water quickly rises and sinks in the toilet bowl. The Water flows faster from the tank and exits the bowl immediately. It occurs due to the larger flush valve diameter than the drainage pipe. While siphonic toilets are considered modern, washdown toilets are similar to vintage-style toilets.

When water exits through the drain pipe, displacing the air inside the trap way or drain pipe creates a vacuum. When it flows in a trap way, the siphon begins to work.  Decreased water in the toilet bowl indicates the same. Some siphonic toilet creates a swirl, but the working principle is the same.

Advantages of Siphonic Toilets

1. Water Efficiency and hygiene

Siphonic toilets are designed to use less water per flush, making them environmentally friendly and cost-effective in the long run. The siphonic toilet, also known as siphonic jet toilet, has a powerful flushing performance with its toilet bowl siphon, odorless environment, and water-efficient design. Siphonic toilets have a unique trapway design and pressure-assisted flush system to create a powerful suction effect. This powerful flush reduces the clogs and creates a clean and hygienic toilet experience. Hence, another term for a siphonic toilet is a Siphonic jet toilet. Germany has long been at the forefront of environmental conservation, and adopting siphonic toilets aligns with the nation’s commitment to sustainable practices. Siphonic toilets use less water per flush than traditional toilets, making them an excellent choice for water-conscious households. As 


Germany strives to achieve its water efficiency goals, the widespread use of siphonic toilets can significantly reduce water consumption and minimize the strain on water resources. Maintaining optimal hygiene standards is crucial in any modern society. Siphonic toilets excel in promoting cleanliness due to their robust flushing mechanism. The forceful flush prevents waste buildup and reduces the risk of bacterial growth and foul odors in the toilet bowl. This aspect is essential for public restrooms and commercial establishments where maintaining a clean and sanitary environment is paramount. This makes them some of the  best toilets to buy  in Germany. 

2. Quiet Operation with water efficiency

The siphon mechanism produces a relatively quiet flush, reducing noise disturbance in your home. Best siphonic toilets are known for their water efficiency. Due to the siphon jet mechanism, it has a complete flush with as little as 1.28 gallons per flush (GPF) compared to 3.2 GPF of washdown toilets. This reduces water bills and helps the environment. The siphon jet action creates a smooth flush and minimizes noise. Siphonic toilets are generally quieter making them suitable for bathrooms in bedrooms, apartments, or households with noise sensitivity. Traditional toilets can often generate considerable noise during flushing, which can be disruptive, particularly in residential settings. Siphonic toilets address this concern by incorporating noise-reduction technology into their design. This is yet another reason that makes siphonic toilets the best toilets to buy. The pressurized flush operates quietly, ensuring a peaceful and tranquil bathroom experience.

3. Cleaner Bowls

The swift and forceful flush of siphonic toilets helps prevent residue buildup, keeping the toilet bowl cleaner. Siphonic toilets are compact, making them a good choice for smaller bathrooms. The trapway in siphonic toilets is located at the back of the bowl, allowing for a more streamlined and compact shape compared to washdown toilets. Siphonic toilets have a variety of styles and designs, allowing homeowners to choose one that complements their bathroom décor. They are often available in modern and contemporary styles, with sleek lines and hidden trap ways, enhancing the overall aesthetics of the bathroom. The toilet flush parts are fewer and rarely need replacement. 

Disadvantages of Siphonic Toilets:

1. Clogging Risk

While siphonic toilets are efficient, they can be more prone to clogging due to the force of the flush. A siphonic closet is not compatible with the older plumbing configuration. The siphon jet mechanism requires a specific drainpipe and venting system to function properly. The siphonic toilet flush parts have a complex mechanism. Siphonic toilet problems are very few but they should be considered. There are very few toilet flush problems in siphonic systems. This is one of the most crucial parts of toilet testing.

2. Limited Design Variety

Siphonic toilets often have a more modern and sleek appearance, which might not suit all bathroom aesthetics. This is reasoned by their complex design and manufacturing process. Siphonic toilets require more maintenance than washdown toilets. The siphon jet mechanism and trapway require cleaning for proper operation and clogging prevention. Siphonic toilet problems include clogging. 

Siphonic toilet vs flush washdown

This is a big debate in countries like Germany, Russia, and Colombia. This is because the toilets are well preferred in both countries. As discussed above they both use different types of toilet flush systems. These toilet flush systems are namely Washdown toilet flush system Siphonic toilet flush system or a pressure-assisted flush system.


These toilets differ in many factors such as bowl size, Water usage, trapway, spare parts, maintenance, cleaning, odor control, whole toilet size, and comfortability. These qualities run neck and neck in both types of toilet systems and hence the decision of siphonic toilet vs flush washdown is difficult to conclude. However, we will see all the above qualities for both of the toilet systems.

Bowl size

The bowl sizes of the best washdown toilet seats and siphonic closet bowls are different. These sizes are according to the water action inside these bowls. Typically, the best washdown toilet bowl size is 4”x 5”, where 4” is the diameter. The size of a double siphonic toilet bowl is 7.5″ to 10.5″. This is an advantage in the list of siphonic toilet pros and cons.

Maintenance, and Cleaning

The size of a washdown toilet or blowout toilet is more compact than a siphonic toilet. Due to the “S” shaped trapway of siphonic toilets the size of the whole set becomes bigger. The maintenance of both systems is somewhat similar. The washers of both systems need replacements. When it comes to the comparison of European toilets vs American toilet, the float valve and flush valve rarely need to be replaced. However, the flush buttons’ and levers depend on their quality. The cleaning of these toilets depends on the number of holes from where the water comes down. This is mainly because these holes leave watermarks in the bowl. People from countries like Germany, Russia, and Colombia use toilet brushes as an accessory for cleaning along with the plunger for clogging. 

Water usage

The water usage in a washdown toilet is much less than in a siphonic toilet. Since the washdown toilet just uses water to push the waste in the trapway. The siphonic toilet uses water to create a vacuum and move the waste inside the trapway. The Washdown toilet has a dual flush where the water usage is 3 or 6 gallons per flush, and the siphonic flush requires 6 gallons of water per flush. The Dual flushing is not for siphonic toilets. 


Trapway is different in both washdown and siphonic toilets. It is because of the flush water actions difference. The trapway of the Siphonic toilet is “S” or “P” shaped to create a good siphon. The trapway of a washdown toilet is short and wide. However, the trapway in a siphonic toilet is narrower, and there are chances of clogging. The surface area of a washdown toilet trapway is larger than a siphonic toilet trapway. 

The trapway has a mechanism of a toilet fill valve. How does a toilet fill valve work? The answer is A toilet float, connected to the fill valve, falls to the bottom of the tank, opening the fill valve. When the fill valve opens, water from the supply line enters the toilet tank. As the water enters the tank, the float slowly makes its way back to the top of the tank, closing the valve as the float rises.

Odor control

The Odor of waste remains controlled in a siphonic toilet system. Washdown toilets are less preferred in countries like Germany, Russia, and Colombia, because of their lack of odor control. Odor control is one of the most important aspects of toilet testing.  As we know, the siphonic toilet creates a vacuum hence getting rid of the odor. This characteristic depends on the types of toilet flush systems used in different toilets. This is yet another advantage in the list of siphonic toilet pros and cons.


Siphonic toilets have emerged as a game-changer in bathroom technology, redefining water efficiency, hygiene, and user comfort. In Germany, a country renowned for its commitment to environmental conservation and innovation, adopting siphonic toilets aligns seamlessly with its values. By embracing these advanced toilet systems, Germany continues to promote sustainable practices while enhancing the quality of life for its citizens. As we look toward the future, it is clear that siphonic toilets will play a pivotal role in shaping modern sanitation standards, not only in Germany but across the globe. 


The advantages and disadvantages of both Siphonic and washdown toilets are listed above. The above article explores two of the most liked toilet systems in many countries like Germany, Russia, and Colombia. We hope the above article answers questions like what did Thomas Crapper invent? And how does a toilet fill valve work

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