A(n) ____ is a fairly level step excavated into the earth material on which fill is placed.
A. level
B. inset
C. bench
D. offset
Answer: C
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a. 6-legged b. 8-legged c. 10-legged d. 12-legged
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In plasma arc gouging, the torch is held at approximately a ____ degree angle to the metal surface.
A. 30 B. 45 C. 90 D. 180
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When you are passing a vehicle, pedestrian, or bicycle you should assume that:
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