A ____________________ is considered to be extremely corrosive.
Fill in the blank(s) with the appropriate word(s).
caustic material
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If the floor of a steel-frame building has primary, secondary, and tertiary components, the secondary components consist of
A) W-shape beams. B) steel joists. C) steel joist girders. D) any one of the above. E) A or B.
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To simplify and speed up form stripping, hand-set panelized deck systems use _____.
a. retractable shores b. toggle heads c. proprietary drop-heads d. form lifters
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A(n) ____________________ changes resistance in response to temperature.
Fill in the blank(s) with the appropriate word(s).
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When the input of the INVERTER becomes low, its output becomes ____________________.
Fill in the blank(s) with the appropriate word(s).
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