How should you signal the crane operator to lower the boom?
A
With arm extended and fingers closed, point thumb downward.
B
With arm extended downwards and forefinger pointing down, move hand in small horizontal circles.
C
Extend arm with the palm down, and hold this position rigidly.
D
With hands clasped in front of your body.
E
İlgili Sorular
The symbol which appears beside a light on a chart reads "Gp Fl R (2) 10 sec 160 ft 19M". Which char...All portable fire extinguishers must be capable of being _______.Extra chemicals for producing chemical foam should be stored ________.Current refers to the __________.Which statement is TRUE about the use of a "gogeye"?