____________________ is caused by the surface tension of the molten metal trying to pull itself into a ball.
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Q30: Slag is mostly composed of _.
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Q32: Which of the following is not an
Q33: Describe a root weld.
Q34: The final covering on a weld is
Q35: Small cracks between the threads in threaded
Q36: _ tubing is designed for the specific
Q37: The maximum weld reinforcement of the cover
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