______ is leveling the concrete evenly to the top of the forms.
A. Floating
B. Edging
C. Screeding
D. Grooving
Answer: C
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?Natural rubber is very sensitive to temperature, but Charles Goodyear found that by kneading ____ into it improved its characteristics.
A. ?powdered horn B. ?gutta percha C. ?powdered sulfur D. ?shellac
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Describe the proper body position for a welder.
What will be an ideal response?
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The mixed angular gravel, rock, and soil found at the foot of a slope is typical of what type of parent material?
A) colluvial B) lacustrine C) eolian D) fluvial E) glacial
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What is the likely effect on modulus of adding a filler? Why?
What will be an ideal response?
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