How should you signal the crane operator to use the main hoist?
A
Use one hand to give any motion signal, and place the other hand motionless in front of the hand giving the motion signal.
B
Extend arm with the thumb pointing up and flex the fingers in and out for as long as the load movement is desired.
C
First tap your elbow with one hand, and then proceed to use regular signals.
D
First tap the top of your head with your fist, and then proceed to use regular signals.
E
İlgili Sorular
BOTH INTERNATIONAL & INLAND A sailing vessel with the wind abaft the beam is navigating in restrict...You are entering an east coast port and see a buoy with a yellow triangle painted on it. This indic...Which safety check(s) should be made before letting go the anchor?The center of a circle of equal altitude, plotted on the surface of the Earth, is the __________.Which visual distress signal is acceptable for daylight use only?