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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The rail heater car is a machine that uses LPG, propane gas to fire heaters that heat up the rail in order to relieve it from stresses. It is a ...
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