Matches and cigarette lighters should __________ be used to light torches.
A) always
B) never
C) often
D) sometimes
Correct Answer:
Verified
Q13: When soldering or brazing, the _ torch
Q14: A _ is a tool that is
Q15: The propane torch produces a flame that
Q16: _ is the process of expanding the
Q17: Steel pipe is coated with zinc to
Q19: _ are the lines through which sealed
Q20: The flame produced by MAPPTM (methylacetylene-propadiene) is
Q21: Explain the function of the steel pipe
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