For compacting soil in trenches, an effective tool is the _____.

a. rubber-tired roller
b. vibrating-plate compactor
c. smooth steel-wheeled roller
d. segmented pad roller


Answer: B

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What will be an ideal response?

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Los dos esquemas de cableado definidos en las normas TIA/EIA están definidos como esquemas

a. A y B. b. A y C. c. B y C. d. C y D.

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What will be an ideal response?

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