When using oxyacetylene torches, which valve should be turned off first when shutting the equipment down?

A. Acetylene regulator valve
B. Oxygen regulator valve
C. Acetylene torch valve
D. Oxygen torch valve


Answer: C

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Answer the following statement true (T) or false (F)

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A. Clay tile B. Brick C. Masonry concrete D. Monolithic concrete

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The proper term for Channel Locks is ________

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