Technician A says that a slapping spoon is used for raising up low spots in metal surfaces. Technician B says that pick hammers come in different lengths and sizes. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technician A nor B
B. Technician B only
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A ____ wall is a concrete or masonry wall supported at the top and bottom, designed to resist soil loads.
A. border B. structure C. boundary D. retaining
What precaution may have to be taken for long adjustable extensions when configuring a large offset angle in the jib?
a. Avoiding too-large an offset b. Lowering the front outriggers during the adjustment c. Reducing the amount of counterweight d. Ensuring workers have fall protection when setting the offset
Larger sizes of calcium silicate may need to be secured with _____.
a. larger wires b. screws c. glass-fab tape d. metal bands
Clippings cause serious thatch problems
Indicate whether the statement is true or false