While establishing the grade in preparation for concrete paving, hand winches are often used to _____.


a. pull the concrete spreader
b. adjust the rotating lasers
c. tighten the stringline
d. lift samples from the concrete


c. tighten the stringline

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Each of the following represent common sizes of extensions EXCEPT:

A. 2" B. 3" C. 6" D. 10"

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What will an air quality sensor typically measure?

What will be an ideal response?

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Complete the following calculations and round to the nearest thousandth as necessary:  120.75 + 6.2 x 0.7 =

What will be an ideal response?

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Oxidation occurs when plastic is exposed to moisture and air.

Answer the following statement true (T) or false (F)

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