A hand tool used to mix concrete and patch holes is the _____
a. short-handle shovel
b. margin trowel
c. edger/jointer
d. pointing trowel
b
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_____________ are movable plates that adjust the quantity and direction of the airflow into the tower.
a. Spray nozzles b. Fans c. Louvers d. Basins
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In low-temperature systems, a vapor retarder is _____.
a. only required in cryogenic applications b. placed against the warm side of the insulation c. placed against the cold side of the insulation d. on both sides of the insulation
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Which of the following should have side rails that extend 36 inches above the top support point?
a. Painted ladders b. Straight ladders c. Step ladders d. Scaffold
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The ____________________ hamster is the most abundant of the hamsters
Fill in the blank(s) with correct word
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