A trench is an excavation that has a depth greater than its width, and a width that is no greater than _____.
a. 10'
b. 15'
c. 20'
d. 25'
Answer: B
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The electrical source refers to the electrical energy being supplied to equipment.
Answer the following statement true (T) or false (F)
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Use the prime factors to determine the lowest common denominator for 
.
Fill in the blank(s) with the appropriate word(s).
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All workers are covered under the workers’ compensation laws.