The concrete form accessory shown in the figure is a _____
a. spacer
b. form tie
c. waler
d. spreader
b
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A 90-degree corner can be squared using the _____ method.
a. 1-2-3 b. 2-3-4 c. 3-4-5 d. 4-5-6
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More than half of electricians are employed in the ____ industry.
a. apartment b. construction c. warehouse d. factory
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Which year of the 1960s generated an intense burst of student activism across Europe and the United States?
a. 1965 b. 1966 c. 1967 d. 1968
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Which of the following is used for piping natural gas?
A) Copper B) Galvanized iron C) White iron D) Black iron
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