Which of the following is a correct statement regarding pipe threading?
a. Oil is not used during the threading process.
b. The threading machine should be used to tighten fittings onto pipe.
c. Once threading starts, it should continue until five threads extend past the die.
d. A tripod-mounted power threader is controlled with a foot pedal.
d. A tripod-mounted power threader is controlled with a foot pedal.
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