Some PA cutting equipment has self-contained air compressors.
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Q13: In the earlier history of welding, welding
Q14: The two most popular thermal cutting processes
Q15: GTA welding is the cleanest of all
Q16: Combinations of oxygen and fuel gases (oxyfuel
Q17: PA cutting equipment consists of a transformer
Q19: In most welding processes, only pressure is
Q20: The most common fuel gas is acetylene.
Q21: In OA welding and TB, a high-temperature
Q22: The most popular welding processes are gas
Q23: In many industries, the welder, welding operator,
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