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2. Welding helmet - Wikipedia

   en.wikipedia.org/wiki/Welding_helmet

   A welding helmet in use. A welding helmet is a piece of personal protective equipment used by welders to protect the user from concentrated light and flying particles. . Different welding processes need stronger lens shades with auto-darkening filters, while goggles suffice for

3. Welding - Wikipedia

   en.wikipedia.org/wiki/Welding

   Welding glass is accomplished by heating the glass through the glass transition, turning it into a thick, formable, liquid mass. Heating is usually done with a gas or oxy-gas torch, or a furnace, because the temperatures for melting glass are often quite high. This temperature may vary, depending on the type of glass.

4. Safelite - Wikipedia

   en.wikipedia.org/wiki/Safelite

   Safelite Group, Inc. is an American provider of automotive glass repair and replacement services, wholesale automotive glass sales, along with insurance claims management, based in Columbus, Ohio. Safelite is being sued by the state of California and faces a September 2025 trial for alleged insurance fraud.

5. Didymium - Wikipedia

   en.wikipedia.org/wiki/Didymium

   Didymium glasses. Didymium (Greek: δίδυμο, twin) is a mixture of the elements praseodymium and neodymium.It is used in safety glasses for glassblowing and blacksmithing and filter lenses for flame testing, especially with a gas ()-powered forge, where it provides a filter that selectively blocks the yellowish light at 589 nm emitted by the hot sodium in the glass without having a ...

6. Improved Outer Tactical Vest - Wikipedia

   en.wikipedia.org/wiki/Improved_Outer_Tactical_Vest

   E-SAPI (Enhanced Small Arms Protective Insert) plates and their smaller counterparts E-SBI (Enhanced Side Ballistic Inserts) plates, are ceramic ballistic plates that provide the bulk of the protection against projectiles when carried in an Improved Outer Tactical Vest, and are also used as part of many other body armors such as the Modular ...

7. Pipeline - Wikipedia

   en.wikipedia.org/wiki/Pipeline

   HDPE pipeline on a mine site in Australia. A pipeline is a system of pipes for long-distance transportation of a liquid or gas, typically to a market area for consumption. The latest data from 2014 gives a total of slightly less than 2,175,000 miles (3,500,000 km) of pipeline in 120 countries around the world. [1]