What fastener needs to be installed prior to concrete placement?
a. Concrete screw
b. Double expansion anchor
c. Snap-off anchor
d. Anchor bolt
d
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Which of the following can interfere with the proper operation of a respirator?
a. Type of insulation being handled b. Incorrect SDS for insulation c. Temperature of work area d. Presence of facial hair
Before measurements can be taken using a temporary benchmark, you must calculate the _____.
a. height above sea level b. backsight distance c. height of instrument d. target location
The ____________________ cycle, or egg production, normally occurs every 21 days in hogs, cattle, and horses and every 17 days in sheep
Fill in the blank(s) with correct word
Alternating power, when generated, creates a __________ pattern.
A. alpha wave-shaped B. beta wave-shaped C. oval-shaped D. sine wave-shaped