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____ are commonly used to join the edges of plates and structural members.
Q2: Some GTA welding filler metals have alloys
Q9: In metal fabrication, the assembling step corresponds
Q9: Too fast a cutting speed results in
Q12: In alternating current, the electrons change direction
Q12: A variety of types of _ can
Q16: In direct-current electrode positive, the electrode is
Q16: Safety boots with steel toes should be
Q18: The first industrial robots were _ robots
Q21: _ is used to reduce the rate
Q21: Gauges that read "0" (zero) pressure when