Trenching and shoring requirements are created and enforced by

A. OSHA
B. insurance company safety representatives
C. employers
D. jobsite superintendents


Answer: A

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The dimmer is an example of ____ control.

a. analog b. programmable c. digital d. pneumatic

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Cooking, bathing, and drying clothes are all sources of __________ in the air.

Fill in the blank(s) with the appropriate word(s).

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What type of drawing view shows a three-dimensional layout with the X, Y, and Z axes 120° apart?

A. orthographic B. oblique C. isometric D. plan

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Using specialized social media sites lets you reach a target audience whose members:

a. communicate only with each other b. will immediately embrace your message c. share similar interests d. distrust people who do not belong to their group

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