Today there are very few electrical systems that are still ____.

A. networked
B. battery operated
C. independent
D. complex


Answer: C

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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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____ is a general term for material used to increase the weathertightness at the intersections of different exterior surfaces.

a.Sealant b.Flashing c.Joining d.Covering

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When meeting oncoming vehicles with bright headlights, a driver should _____.

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

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Name one of the earliest machine tools used to cut material by turning cylindrically shaped objects. The material to be turned is held between two rigid supports, called centers, or in a holding device called a chuck or collet.

What will be an ideal response?

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