Hand signals for hoisting equipment can only be provided by qualified signal persons and _____
a. ironworkers
b. supervisors
c. stationary engineers
d. riggers
d
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
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A shock of approximately 20 to 30 mA causes ____.
A. a tingling sensation B. a painful sensation C. breathing to be stopped D. electrocution
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The way in which a cutter is mounted on an arbor determines the hand or cut
Indicate whether the statement is true or false
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__________ normally are white rectangles with black letters or symbols.
a. warning signs b. destination signs (guide signs) c. regulation signs (regulatory signs)
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