Soldering, welding, flame cutting and brazing are processes widely used in the building, manufacturing, road construction, refrigeration, plumbing, power, leather industries and more. Especially for copper where LPG , propane, butane, is used ...
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A lighter is a portable device used to produce a flame, and to ignite a variety of combustible materials, such as cigars, cigarettes, gas stoves, fireworks or candles. It consists of ...
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