By what percentage will mulching reduce water lost by runoff and evaporation?
A) 10%
B) 90%
C) 50%
D) 100%
B
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A deep foundation system consists of a
A) mat foundation. B) raft foundation. C) pier or pile foundation. D) slab-on-ground foundation. E) all of the above.
The method of supporting cable trays using threaded rods and hanger clamps is known as _____.
a. wall mounting b. direct rod suspension c. pipe rack mounting d. center rail supports
The symptoms of lead poisoning include ____.
A. influenza symptoms B. lung irritation and kidney damage C. abdominal cramps and lung irritation D. metallic taste, loss of appetite, nausea, abdominal cramps, and insomnia
In what situation can a cherry picker be used?
A. Only for lifting transmissions and engines. B. A replacement for a hydraulic lift. C. Only light weight lifting under 100 lbs. D. Both light and heavy duty lifting jobs.