During normal driving, spring brakes are usually held back by:
a. Spring pressure
b. Air pressure
c. Bolts and clamps
b. Air pressure
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? is equivalent to:
A. ?0.0125 B. ?0.125 C. ?1.25 D. ?12.5
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How should decisions by consensus be made?
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What very heavy metal is often used in batteries and is commonly recycled?
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Describe the five steps in the current process of ethanol production from cellulosic plant material
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