To detect a laser beam, a battery powered electronic sensor target, also called a receiver or ____, is attached to the leveling rod or stick.
a.detector
b.transistor
c.interceptor
d.sink
ANS: A
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____ all help remove oxides and/or nitrides in the weld.
A. Carbon, chromium, and vanadium B. Aluminum, silicon, and titanium C. Potassium, sodium, and zirconium D. Oxygen, argon, and nitrogen
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What is hydroponic gardening?
What will be an ideal response?
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In machine-fitted assemblies, it is necessary to disassemble the ________ unit first
A) mounting B) worm gear C) spur gear D) core plug
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One of the challenges unique to ice rescue situation is:
A. using the incident command system is not necessary B. the victim may not be able to help themselves due to hypothermia C. the ice is strong enough to support rescuers near the victim D. ropes are ineffective due to freezing.
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