The best way to control erosion and sedimentation is to _____
a. permit walking across only graded areas
b. carefully smooth graded areas
c. permit driving across only graded areas
d. immediately seed graded areas
d
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¿Qué bobina de un transformador está conectada a la carga?
a. Mutua b. Positiva c. Secundaria d. Primaria
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Which of these is NOT true about used oil?
A) It can be used for other purposes. B) It can be mixed with used antifreeze. C) It must be stored in an approved container. D) It can be recycled more than once.
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To protect hands:
A) Keep them out of danger by thinking about safety B) Wear gloves C) Clean chips with a brush instead of hands D) Both A and C
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Natural gas has a heat content of __________ Btu/cu.ft.
A. 500 B. 1050 C. 3200 D. 5000
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