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Usually 1G is the easiest and 6G the hardest.My own coding are in MIG and MMA(stick), Mid steel plate in the vertical up position. The hardest joint is usually the inclined plane pipe to pipe weld.
Arc Welding: The method of using electrode holder to clamp welding electrode, manual arc welding, short hand arc welding. Gas-Shielded Welding:Gas-shielded welding refers to the welding meth..........
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Welding equipment -- an important technological equipment of modern industry