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what is fermentable fiber
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In plumbing systems, the use of materials is highly regulated due to safety concerns, especially for gas lines. PVC (Polyvinyl Chloride) pipes are commonly used for water supply lines, drainage, and venting systems due to their cost-effectiveness, durability, and ease of installation. However, when it comes to gas lines, the situation is different. Gas lines typically require materials that can withstand higher pressures and resist permeation by gases to prevent leaks. For these reasons, materials like black iron, galvanized steel, copper, and in some cases, approved flexible gas piping are preferred over PVC.
The primary reason PVC isn't used for gas lines is its permeability to gases. Over time, gases could permeate through the walls of PVC pipes, leading to dangerous leaks. Additionally, PVC does not have the strength to handle the pressure of gas lines effectively, which could result in ruptures. Furthermore, the temperature sensitivity of PVC, which can become brittle in cold temperatures and soften in high heat, makes it unsuitable for the wide range of conditions that gas lines might encounter.
If you're considering running a gas line, it's essential to consult with a professional plumber or gas fitter who can recommend the appropriate materials based on local codes and standards. While PVC has many applications in plumbing, it's not suitable for gas lines.
No, a polymer and polyser are not the same thing. A polymer is a broad scientific term used to describe long, repeating chains of molecules, which can be natural (like DNA or cellulose) or synthetic (like nylon or polyethylene). These chains are formed by polymerization, a chemical process that links monomers (small molecules) into polymers (larger molecules). On the other hand, the term "polyser" seems to be a misunderstanding or misspelling and does not refer to a recognized scientific concept or specific substance in the field of polymer science or chemistry. Therefore, it's important to ensure the correct terminology when discussing materials science and chemistry to avoid confusion.
Sharpies contain a type of ink known as a "permanent ink," which is distinct from "liquid ink" found in pens such as rollerballs or fountain pens. Permanent ink in Sharpies is alcohol-based, allowing for quick drying, water resistance, and the ability to mark on various surfaces. While it can appear liquid-like when applied, its formulation is specifically designed to provide the durable qualities expected from permanent markers. Unlike liquid ink pens that rely on a consistent flow of ink from a reservoir through a nib, Sharpies dispense their ink through a felt tip that is saturated with the ink, allowing for precise application without the need for gravity or capillary action to feed the ink.
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