The minimum length allowed for driven ground rods under normal conditions is _____.

a. 4'
b. 8'
c. 10'
d. 16'


b. 8'

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A(n) ____ separates iron from waste materials and sinters ore and flue dust.

A. electric arc furnace B. blast furnace C. induction furnace D. casting furnace

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A focal point is effective even if it does not fall within the viewer's immediate range of vision

Indicate whether the statement is true or false

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One of the common practices used in creating a stucco finish is _____

A) fasten diamond mesh flat against the sheathing B) apply stucco in four coats C) apply stucco to a thickness of 3/4 of an inch D) use a stucco lock to prevent water penetration

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Which of these statements about power tool safety is not true?

a. You should use only power tools that meet OSHA standards. b. Do not operate a power tool if your hands or feet are wet. c. Most power tools do not need to be plugged into a GFCI. d. Always wear eye protection when using power tools.

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