The signal man assisting a crane operator has his arm extended, thumb pointing downwards, flexing fingers in and out. This is the signal to __________.
A
lower the boom and raise the load
B
lower the load and raise the boom
C
raise the boom and lower the load
D
raise the load and lower the boom
E
İlgili Sorular
The most common method of securing a line to a cleat is a __________.INTERNATIONAL ONLY When two vessels are in sight of one another, all of the following signals may be...When drawing a weather map and an isobar crosses a front, the isobar is drawn __________.You are proceeding down a channel and lose the engine(s). You must use the anchors to stop the ship....What is NOT an advantage of ship construction methods using welded butt joints in the shell plating?