The purchase of food in the Unites States requires less than what percentage of the average family
income?
a. 10 c. 25
b. 15 d. 38
A
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Which of the following must never be used as a grounding electrode?
a. a metal underground gas piping system b. a metal in-ground support structure c. a ground ring d. a metal underground water pipe in direct contact with the earth for 10' (3 m)
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The benefits of electric baseboard heating are that ____.
A. each room can be controlled individually B. they are inexpensive to install C. they operate on a 24-V power supply D. both a and b
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An MSDS is being discussed. Technician A says its the shop's responsibility to develop it. Technician B says it must be readily available to all shop personnel. Who is correct?
What will be an ideal response?
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