In the laboratory, a program in which the total testing process is monitored to ensure quality is:

Which of the following statements regarding steel trusses is MOST accurate?

A) The most common type of steel truss used for pitched roofs is the bowstring truss. B) Steel trusses are usually fabricated elsewhere and transported to the job site. C) Trusses transported to the job site must be transported as one unit. D) The Fink and Pratt style trusses are rarely used for pitched roofs.

Which of the following equipment can be protected with surface barriers?

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