Which of the following is true with regard to suspended scaffolding?
a. Tieback lines must be perpendicular to the face of the structure.
b. Check all ropes and cables monthly.
c. Sand bags can be used as counterweights.
d. Avoid lashing the scaffolding to the building or structure.
a. Tieback lines must be perpendicular to the face of the structure.
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Because civil and chemical engineering designs usually are not mass-produced, it is often impossible to create a(n) ____________________ for testing before construction begins.
Fill in the blank(s) with the appropriate word(s).
_____ refers to the level where stone begins for a concrete floor or topsoil begins when grading off
land.
a. Substone c. Subgrade b. Sublevel d. Subsoil
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Fill in the blank(s) with the appropriate word(s).