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
Alternating power, when generated, creates a __________ pattern.
A. alpha wave-shaped B. beta wave-shaped C. oval-shaped D. sine wave-shaped
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