____ gases do not add any heat to the laser beam cutting process; they simply remove the material by blowing it out of the kerf.
A. Reactive
B. Exothermic
C. Nonreactive
D. Endothermic
Answer: C
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In which situation will the cantilevered soldier piles (as excavation supports) be provided with tieback anchors?
What will be an ideal response?
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a. pins b. rivets c. welds d. bolts
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Indicate whether the statement is true or false
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