Use this pencil for sketching.

a. 2
b. HB
c. 4H
d. none of the above


a. 2

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A(n) ____ exception is identified by the use of the terms shall or shall not and means that you must apply the rule in a specific way.

a. mandatory b. permissive c. exclusive d. suggested

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Aluminum is commonly used as form and shore material because

A) it is chemically compatible with wet concrete. B) it is an easily nailable material. C) its strength-to-weight ratio is high, which reduces the weight of forms and shores. D) its strength-to-weight ratio is low, which reduces the weight of forms and shores. E) all of the above.

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Explain how an operator should stop a whipping hose.

What will be an ideal response?

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Which number is less: -3.7 or -3.4?

A) -3.7 B) -3.4

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