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When a left-handed welder is making a cut with a hand torch, the torch should be braced ____.
Q1: The _ has a small, cone-shaped, constricting
Q2: Slag is mostly composed of _.
Q3: The strongest joints are obtained when the
Q20: _ is when metal bends or twists
Q21: Acetylene cylinders that have been lying on
Q22: _ seal tips must be tightened with
Q30: When taping hoses together, the hoses should
Q35: What is the basis of the series
Q37: The heat produced in a weld is
Q40: As the trailing angle of an electrode