Alchatek Blog

Public aquariums, as guardians of marine life, prioritize the safety and well-being of their aquatic residents. When it comes to leak seal solutions, the advantages of NSF-approved polyurethane grouts take center stage.

The Significance of NSF Approval

Before delving into the advantages, it's essential to understand why NSF (National Sanitation Foundation) approval is paramount in the context of polyurethane grouts for aquariums. NSF is an independent, private, not-for-profit organization that develops public health standards and certification programs. These programs aim to protect food, water, consumer products, and the environment, with a particular focus on ensuring the safety of drinking water.

Rigorous Testing for Safety

NSF standards, specifically NSF/ANSI 61-5, set stringent criteria for materials that come into contact with drinking water. These standards ensure that any product used in or around drinking water, from its source to the tap, undergoes rigorous testing. This includes assessments of potential contaminants and the impact of materials on water quality.

The Role of NSF in Certification

Manufacturers seeking NSF approval must subject their products to extensive testing and scrutiny. Their production facilities and quality assurance practices are thoroughly inspected. It's a voluntary process, but one that holds immense value for all stakeholders involved, especially in the context of public aquariums.

Advantages of NSF-Approved Grouts

Now, let's explore the advantages of using NSF-approved polyurethane grouts in public aquariums:

1. Water Safety: NSF-approved grouts are certified to be safe for contact with drinking water. When used in aquariums, they provide assurance that water quality remains uncompromised, safeguarding the health of aquatic life.
2. Non-Toxic Formulation: These grouts are formulated to be non-toxic. They do not release harmful substances or chemicals that could harm marine organisms or disrupt the aquatic ecosystem.
3. Compliance with Standards: By using NSF-approved grouts, public aquariums align with industry standards, demonstrating a commitment to safety and environmental responsibility.
4. Visitor Confidence: Visitors can have confidence that the aquarium prioritizes the well-being of aquatic life, further enhancing the visitor experience.

Preserving Ecosystems and Public Trust

In the world of public aquariums, where the preservation of ecosystems and public trust is paramount, NSF-approved polyurethane grouts stand as a reliable choice. Their advantages extend beyond leak sealing; they contribute to the broader mission of ensuring the safety and well-being of aquatic life.

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Public aquariums immerse visitors in the underwater world, connecting them with marine life. Clear water, visually appealing exhibits, and unobstructed views of aquatic species are central to this experience. Maintaining a leak-free exhibit is vital for preserving water quality and showcasing habitats.

Creating an Immersive Environment

Imagine a member of the public walking into an aquarium. The moment they step inside, they're greeted by the shimmering blue waters of a vast tank teeming with colorful fish and majestic sea creatures. The experience is designed to transport them to the depths of the ocean, allowing them to witness the wonders of underwater life up close. To achieve this, administrators at public aquariums go to great lengths to maintain a pristine and immersive environment.

The Critical Role of Water Clarity

One of the fundamental elements of this immersive environment is water clarity. Crystal-clear water not only enhances the aesthetic appeal of the exhibits but also plays a crucial role in allowing visitors to observe marine life with ease. It's no wonder that managers of public aquariums are deeply concerned about any disruptions to this clarity, especially during repairs and maintenance.

Polyurethane Grouts: An Effective Solution

When it comes to addressing leaks in public aquariums, polyurethane grouts have emerged as a highly effective solution. These grouts are specially formulated to seal leaks and cracks in a variety of materials, including concrete, which is commonly used in the construction of aquarium tanks and exhibits.

The Impact on Aesthetics

One of the primary concerns of aquarium managers when researching leak seal solutions is how the use of polyurethane grouts might impact the aesthetics of the exhibits. Aquariums invest heavily in creating visually stunning underwater landscapes, carefully selecting marine life, corals, and other elements to mimic natural habitats. The last thing they want is for repairs to disrupt this carefully crafted beauty.

Polyurethane grouts, when applied correctly, offer a solution that minimizes aesthetic disruption. Their ability to seal leaks with surgical precision means that repairs can often be carried out with minimal disturbance to the surrounding environment. This ensures that the clarity and visual appeal of the exhibits remain intact.

Visitor Experience: A Top Priority

Managers understand that visitor experience is a top priority. The success of a public aquarium hinges on its ability to engage and educate visitors about the marine world. Disruptions caused by leaks or repairs can impact attendance and revenue. Visitors expect an immersive and enjoyable experience, and any deviations from this can affect the reputation of the aquarium.

Polyurethane grouts not only address leaks effectively but also contribute to maintaining a seamless visitor experience. The quick repair process minimizes downtime for exhibits, allowing aquariums to continue providing an engaging experience to visitors.

Key Takeaways

In the world of public aquariums, maintaining an exceptional visitor experience is a multifaceted challenge. The clarity of the water and the aesthetics of the exhibit are interlinked elements that require meticulous attention. Polyurethane grouts present a valuable solution for addressing leak issues while striking a balance between effective repair and preserving the immersive environment that aquariums aim to create.

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Managing stormwater infrastructure comes with unique challenges. At Alchatek, we want to help. Our team has extensive knowledge of innovative solutions for stormwater system repair and waterproofing.

If you're looking for science-backed recommendations tailored to your specific assets, get in touch. We can provide insights on cutting-edge methods and high-performance materials to optimize your maintenance strategy.

We also connect clients with experienced contractors. These contractors utilize our premier polyurethane grouts to provide durable, flexible sealing for leaks in crucial structures like culverts, inlet boxes, and manholes.

Don't wait for small issues to become major liabilities. Be proactive in maintaining your stormwater assets. Our experts can help you detect problems early and recommend solutions to prevent further deterioration. We offer time-tested products for extending the life of aging infrastructure.

Don't leave the resilience of your stormwater network to chance. Connect with our experts today to discuss your needs. We're committed to sharing our decades of knowledge and experience to help you enhance the safety and performance of your critical stormwater infrastructure.

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Managing a diverse array of stormwater system components can be a daunting task. Maintenance managers must juggle curb inlets, drop inlets, manholes, and culverts, each with its unique set of issues and repair needs. Toss in a wide geographic coverage area, and the complexity escalates. Faced with limited resources and pressing timelines, how should a maintenance team prioritize which repairs to tackle first?

The Role of Condition Assessment

Accurate condition assessment stands as the cornerstone of effective asset management. The use of technology, such as closed-circuit television (CCTV) for inspections, can offer detailed insights into the current state of various stormwater system components. High-resolution images and videos facilitate the identification of leaks, cracks, and other structural weaknesses that may require immediate intervention.

Quantifying Repair Urgency

Once a thorough condition assessment has been performed, the next step involves quantifying the urgency of each repair. This involves developing a scoring system that takes into account factors such as:

• Severity of the leak or damage
• Impact on hydraulic efficiency
• Proximity to critical infrastructure
• Potential for environmental harm

The scores generated can then serve as a guide, allowing maintenance managers to address the most pressing issues first.

Risk-Based Prioritization

Taking a step further, integrating a risk-based approach adds another layer to the prioritization process. This involves assessing the risk of failure for each component and the associated consequences. For example, a leak in a manhole located near a critical roadway may warrant immediate action due to the higher risk and greater impact of potential failure.

Budgetary Constraints and Cost-Effectiveness

While urgency and risk are essential factors, budgetary constraints cannot be overlooked. Cost-effectiveness comes into play when determining the type of repair to be carried out. For example, polyurethane grout might offer long-term savings by reducing the need for frequent resealing while limiting the need to reenter a confined space.

Documenting and Updating Repair Records

Effective asset management requires meticulous record-keeping. After completing each repair, it is crucial to update the asset's condition in the maintenance database. This updated information will aid in future condition assessments

Necessity of Stakeholder Communication

Keeping stakeholders informed about the status of repairs and any changes in prioritization is essential for smooth operations. Whether it's the city council, environmental agencies, or the general public, transparent communication helps build trust and can sometimes even result in additional funding or support for critical repairs.

Expert Consultation for Complex Decisions

For particularly challenging prioritization decisions, consulting with experts in stormwater systems maintenance can provide invaluable insights. External audits of the asset management process can also identify areas for improvement and validate the existing prioritization methodology.

Future-Proofing the Stormwater System

Incorporating resilience into the stormwater system design helps future-proof assets. This involves considering factors like climate change and urbanization while prioritizing repairs. For instance, reinforcing structures that are likely to experience increased stress due to rising storm frequencies can be a wise long-term investment.

Key Takeaways

In summary, prioritizing stormwater system repairs is a multifaceted challenge that requires a strategic approach. Condition assessment, risk-based prioritization, and budgetary considerations all play crucial roles. Effective documentation, flexibility in resource allocation, transparent communication, and expert consultation further enhance the asset management process. By adopting a comprehensive and dynamic approach, maintenance teams can ensure that they address the most critical repairs first, thereby safeguarding the integrity and efficiency of the stormwater system.

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When it comes to sealing leaks in stormwater systems, one size does not fit all. Whether dealing with curb inlets, drop inlets, manholes, or culverts, the choice of sealing material plays a pivotal role in the success and longevity of the repair. Cementitious grouts and polyurethane grouts represent the main contenders in the field. Knowing when and where to use each is crucial for a sustainable solution.

Cementitious Grouts: Old but Gold?

Cementitious grouts have been around for quite some time and are often the go-to option for many maintenance teams. Composed of a mixture of cement, sand, and water, these grouts provide a robust but somewhat rigid seal. They are best suited for areas where minimal movement is expected post-repair, such as static joints or stable concrete structures.

Pros:

• Economical and readily available
• Easy to mix and apply
• Excellent for filling large gaps and voids

Cons:

• Limited flexibility; may crack under stress or movement
• Longer curing time, delaying return-to-service
• Potential for shrinkage, compromising the seal

Polyurethane Grouts: The Future of Sealing

Polyurethane grouts have emerged as a modern, versatile option for sealing leaks. These grouts react with water to expand, filling cracks and gaps with a flexible, water-resistant seal. They are particularly effective for dynamic systems that may experience ongoing stress or movement.

Pros:

• Excellent flexibility; adapts to structural movement
• Quick cure times facilitate rapid return-to-service
• Effective in a wide range of conditions and materials

Cons:

• More expensive upfront cost
• Requires specialized equipment for application
• Skill-intensive; necessitates trained personnel for effective application

Location-Specific Choices

Certain leaks necessitate specific sealing methods based on their location within the stormwater system. For example, curb inlets often fare better with polyurethane grouts due to the frequent movement from vehicular traffic. On the other hand, stable, non-dynamic structures like concrete walls may be adequately served by cementitious grouts.

Deciding Factors in Choice

When choosing a sealing method, maintenance teams should consider factors such as:

• Type and location of the leak
• Expected post-repair environmental conditions
• Budget constraints
• Availability of skilled labor and specialized equipment
• Required longevity of the repair

Training and Expert Consultation

Given the complexities involved in choosing the right sealing method, training and consultation with experts in the field are highly recommended. Properly trained personnel are more likely to make the right choice the first time, reducing the risk of future leaks and subsequent repairs.

Key Takeaways

The choice of sealing method is a multi-faceted decision that requires a comprehensive understanding of the leak's nature, the system's requirements, and the pros and cons of available options. Regular training and expert consultation can go a long way in ensuring that maintenance teams are equipped to make the best choice for sustainable and effective leak sealing.

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Leaks in stormwater systems can be elusive, often manifesting their symptoms far from the actual point of origin. This is especially true for interconnected systems like manholes or box culverts, where water can travel significant distances before showing visible signs of a leak. Accurate identification of the leak source is crucial for any effective repair operation. Failure to correctly locate the leak can result in wasted time, resources, and ultimately, unsuccessful repair.

Where to Begin the Search

To start the search for a leak, maintenance teams often look for visible signs like water pooling, erosion, staining, or the accumulation of sediment. These are valuable indicators but can be misleading if the leak's origin is not directly adjacent to these signs. Mapping out the stormwater system's topology can offer insights into how water flows through it, providing clues about where to begin the investigation.

Types of Leaks in Different Components

The types of leaks can vary depending on the component, making it essential to understand the characteristics of each. For example, leaks in curb inlets may manifest as localized pooling of water or sediment deposition around the inlet. In contrast, leaks in manholes could result in soil erosion around the manhole cover or even within the manhole structure. Each component has its own set of challenges when it comes to leak detection, so it's crucial to approach them individually yet systematically.

The Complexity of Interconnected Systems

Interconnected systems like box culverts and manholes add another layer of complexity to leak source identification. Water from a leak can travel through multiple channels before finally emerging, making it difficult to pinpoint the origin. In such cases, a systematic approach to eliminating potential leak sources is invaluable. Teams may have to inspect multiple connected components to rule out false positives and zero in on the real leak source.

Advantages of Correct Identification

Accurately identifying the leak source has several benefits. The first is, of course, the efficiency of the repair operation. Targeted repairs save time and materials. Additionally, accurate identification can also prevent further deterioration. When leaks go unaddressed or are incorrectly repaired, the risk of soil erosion, sinkholes, structural weakness, and even potential system failure increases.

A Highly Effective Sealing Material

After accurately identifying the leak source, polyurethane grouts serve as a highly effective sealing material. Their application is targeted, preventing waste and ensuring that the leak is completely sealed. Polyurethane grouts also offer the benefit of compatibility with different kinds of surfaces, making them suitable for a wide range of stormwater system components.

Key Takeaways

In summary, accurate leak source identification is critical for effective and efficient repair of stormwater systems. The process involves a deep understanding of the system's components and the benefits of polyurethane grouts for effective sealing. Maintenance teams can greatly benefit from a systematic approach to leak identification, backed by proper training and thorough documentation. This not only ensures successful repairs but also contributes to the long-term resilience and efficiency of the stormwater system.

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Hydraulic inefficiency in stormwater systems can wreak havoc in urban settings, especially during times of heavy rainfall or storms. When stormwater systems become less effective in draining water, it increases the risk of localized flooding and may even contribute to infrastructure failure. The problem often boils down to leaks and cracks in crucial components like curb inlets, drop inlets, manholes, and culverts.

Recognizing Symptoms

Identifying hydraulic inefficiency starts with a keen observation of several signs that indicate a system is not operating optimally. These symptoms may include but are not limited to, reduced flow rates, unexpected pooling of water near stormwater inlets, or even backups in areas where there was previously a smooth flow of water. Regular monitoring can help pinpoint these indicators and flag them for further investigation. This is a proactive step that can be taken to prevent inefficiencies from escalating into larger issues.

Role of Leaks and Cracks

Leaks and cracks in system components directly contribute to the reduction in hydraulic efficiency. For example, when a curb inlet has a crack, not only does it allow an unwanted inflow of sediment and debris, but it also reduces the capacity of the inlet to channel stormwater effectively. Similarly, leaks in manholes can lead to soil infiltration, adding unnecessary volume to the stormwater, thereby reducing the system's overall capacity. Each of these issues diminishes the stormwater system's efficiency, making it critical to address them promptly.

Analyzing Flow and Capacity

The key parameters that suffer due to leaks and cracks are the flow rate and capacity of the stormwater system. Flow rate refers to the speed at which water moves through the system, while capacity denotes how much water the system can handle at any given time. Reduced flow rates can slow down the drainage of water from streets, leading to surface pooling and flooding. On the other hand, diminished capacity means that the system becomes overwhelmed more quickly during heavy rainfall, exacerbating the problem. Maintenance teams should periodically measure these parameters to assess the health of the stormwater system.

Potential Consequences

The immediate consequences of ignoring hydraulic inefficiency can be severe. Reduced flow and capacity increase the risk of localized flooding, especially during heavy rainfall. This flooding can damage properties, disrupt traffic, and in extreme cases, pose risks to public safety. In addition, an inefficient stormwater system places extra strain on adjacent infrastructure, making them more susceptible to wear and tear, or even failure.

Solving the Issue with Polyurethane Grouts

One highly effective solution for sealing leaks in these crucial components is the use of polyurethane grouts. These grouts offer several advantages over traditional sealing methods. They can be applied with precision, allowing for targeted sealing of leaks and cracks. Once applied, polyurethane grouts expand to fill the gap, providing a watertight seal that prevents further leakage or infiltration. This in turn enhances the flow rate and capacity of the system, making it more efficient, especially during times when it is most needed, such as heavy rainfall or storms.

Actionable Steps for Maintenance Teams

Maintenance managers and teams can take several actionable steps to tackle the issue of hydraulic inefficiency effectively. Firstly, incorporate regular monitoring and inspections into the maintenance schedule to catch signs of inefficiency early. Secondly, prioritize the repair of leaks and cracks in components that are key to maintaining optimal flow rate and capacity. Utilize polyurethane grouts to seal these leaks (or hire a waterproofing specialist to do the work). Finally, after any repair, conduct a comprehensive assessment to ensure that the applied solutions have successfully restored the system’s hydraulic efficiency.

Reaping the Benefits

Taking timely action to fix hydraulic inefficiencies is not just about preventing immediate issues like flooding; it’s also an investment in the long-term durability and effectiveness of a city’s stormwater management infrastructure. A well-maintained system requires less emergency intervention, reduces maintenance costs in the long run, and most importantly, ensures the safety and well-being of the community it serves.

The Importance of Continuous Learning

For maintenance managers and teams, staying updated on the latest technologies and methods for addressing hydraulic inefficiency is essential. Training programs, workshops, and seminars offer valuable insights into new materials and techniques that could be more effective and cost-efficient. Polyurethane grouts are a testament to how advancements in materials science can offer superior solutions for age-old problems.

In summary, hydraulic inefficiency poses a significant challenge for stormwater systems, especially during periods of heavy rainfall. Recognizing the symptoms early, understanding the role of leaks and cracks, and choosing the most effective sealing methods like polyurethane grouts can make a significant difference and help to avoid costly emergency repairs. Actionable steps and a focus on continuous learning can go a long way in ensuring that a stormwater system operates at its peak efficiency, safeguarding communities from the risks of flooding and infrastructure failure.

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For contractors seeking productive work during the slower winter months, Alchatek is here to help every step of the way.

Our team can provide guidance on expanding your services to take on new projects during cold weather. When you’re undertaking new winter work, we're available to consult on important logistics like site evaluations, scheduling, equipment selection, and material adjustments for colder temperatures.

We offer personal consultation to equip you with any new skills required for off-season jobs. We also collaborate with contractors to build relationships with local engineers, associations, municipalities, and other potential lead sources. Our staff can assist with tailored presentations and outreach efforts to position you as the go-to contractor for these clients.

Properly winterizing your slab lifting equipment is equally crucial if you’re winding down for an off-season. Our technical experts can advise you on prepping your slab lifting rig and/or PolyBadger lifting system for winter storage.

Contact the Alchatek support team today to for assistance with your winter game plan.

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This guide outlines a step-by-step process for setting up your PolyBadger system for winter storage. Following these recommendations will not only preserve the integrity of your equipment but also make it easier to get it running when the warm weather returns.

Preparing a PolyBadger for Winter Storage

1. Establish power to the cabinet and heat the hose (A heater, B heater, and hose) to the target temperature of 130° F.
2. Introduce material to the cabinet.
3. Turn the air supply on and recirculate to heat up the ISO and resin.
4. Once the PolyBadger is up to temperature, turn off the air supply and remove the airlines from the stick pumps.
5. Remove the supply and the recirculation line from the A-side stick pump.
6. Drain all the remaining material from the pump and clean it with brake cleaner.
7. Place the stick A side stubby stick pump into a 5-gallon pail of AP Pump Flush.
8. Reconnect the supply line and leave the recirculation line to drain in a purge pail.
9. Repeat steps 5-8 on the B-side stick pump.
10. Reconnect the air supply to the stick pumps, hold the return lines in a purge pail, and slowly open the air valve on the stick pumps.
11. You will notice material slowly pushed out of the recirculation line into the purge pail. Continue to pump AP Pump Flush through the system until it comes out of the recirculation line clear, with no added color or debris.
12. Shut the air valve supplying the stick pumps. This will stop the flow of material.
13. Reconnect the recirculation lines to the appropriate stick pump and tighten.
14. Turn the recirculation pump valves to supply the hose.
15. You can remove the Handi Gun or leave it on for this stage, holding the hose in the purge pail. Turn on the supply valves on the end of the hose just before the Handi Gun. Slowly open the air valve on the stick pumps and pull the trigger on the gun.
16. You will notice material slowly pushed out of the hose line into the purge pail. Continue to pump AP Pump Flush through the system until it comes out of the hose line clear, with no added color or debris.
17. Shut the air valve supplying the stick pumps. This will stop the flow of material.
18. Remove the stick pumps from the AP Pump Flush. (Make sure to mark your pails A and B for future use).
19. Insert stick pumps into AP Pump Saver 195. (Make sure to mark your pails A and B for future use).
20. Push the AP Pump Saver 195 through the hose line. You will notice the AS Pump Flush slowly pushed out of the hose line into the purge pail. Continue to pump AP Pump Saver 195 through the system until it comes out of the hose line clear (you will notice a thick, clean fluid).
21. Turn off the supply valves on the hose just before the Handi Gun.
22. Disconnect the air supply to the stick pumps.
23. Move the hose supply valve into the recirculation position to depressurize the system.
24. Shut off supply valves to the cabinet.
25. Turn off heat zones.
26. Turn off the main disconnect.
27. Remove residual grease from interior cabinet pumps.
28. Replace with new grease.

If you follow these steps, your PolyBadger should be ready for secure storage during the winter months.

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As temperatures drop, contractors in certain areas need to winterize their slab lifting rigs for storage during the off-season. Below are the step-by-step guidelines to properly store your equipment.

Important Note

• Extra attention is devoted to the A-side of the system, which is standard practice.
• This guide assumes you're using a PMC pump for your slab lifting rig.

Preparing a Slab Lifting Rig for Winter Storage

1. Remove and clean the A and B stick pumps. Clean the exterior of the pumps with brake cleaner to remove as much residual resin and polyol as possible.
2. Place the A-Side transfer pump into a 5-gallon pail of the AP Pump Flush.
3. Remove the recirculation hose from the A-Side drum and place it in a purge pail.
4. Open A-Side inlet valve and recirculation valve on your PMC machine.
5. Slowly open the air valve on the A-Side transfer pump to start introducing the AS Pump Flush through the A-Side of the machine.
6. You will notice iso material being pushed out of the recirculation line into the purge pail. Continue to pump AS Pump Flush through the system until it comes out of the recirculation line clear, with no added coloring or debris.
7. Shut the air supply feeding the transfer pump. This will stop all flow of material.
8. Un-cap the A-Side of the PMC whip hose. Once un-capped, place the hose into the purge pail.
9. Close the recirculation valve on the A-Side of the PMC machine.
10. Slowly open the air valve on the A-Side transfer pump to start the flow of AS Pump Flush through the heated hose.
11. You will notice iso material being pushed out of the whip hose into the purge pail. Continue to pump AS Pump Flush through the system until it comes out of the recirculation line clear, with no added coloring or debris.
12. Now that this process is complete, the A-Side has been completely cleaned of any iso material.
13. Remove the A-Side transfer pump from the pail of AS Pump Flush and place it into a 5-gallon pail of AP Pump Saver 195.
14. Slowly open the air valve on the A-Side transfer pump to start introducing the AP Pump Saver 195 through the A-Side of the machine. Continue to pump the AP Pump Saver 195 until you have pure and clean AP Pump Saver 195 coming out of the end of the whip hose.
15. Place the B-Side stick pump into a separate 5-gallon pail of AP Pump Saver 195.
16. Slowly open the air valve on the B-Side transfer pump to start introducing the AP Pump Saver 195 through the B-Side of the machine and heated hose. Continue to pump AP Pump Saver 195 through the system until it comes out of the end of the whip hose, with no added coloring or debris.
17. Once the entire system is full of clean AP Lube 190, slowly start to recirculate the AP Pump Saver 195 through the entire system. When doing this, it is best to let the PMC machine cycle while recirculating the AP Pump Saver 195.
18. Once all these steps are complete, close the air on each transfer pump and re-cap the heated PMC whip hoses.

If you follow these steps, your slab lifting rig should be well-prepared for the winter storage period.

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