Inclining the sides of a trench in a series of steps to prevent cave-ins is known as _____.
a. backstepping
b. benching
c. tiering
d. pyramiding
b. benching
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A ____ is any system that converts human waste into an organic compost and usable soil through the natural breakdown of organic matter into its essential minerals.
A. water closet B. composting toilet C. lavatory D. wash station
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____________________ methods require that a device turn with the same revolutions per minute as the motor.
Fill in the blank(s) with the appropriate word(s).
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Which is the preferred method for tire rotation?
A) Modified "x" B) Front to rear C) Side to side D) Full "x"
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The NEC is intended to be used by untrained individuals.
Answer the following statement true (T) or false (F)
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