The signal man assisting the crane operator has his arm extended, his fingers closed, and his thumb pointing downward. This is the signal to __________.
A
hoist the load
B
raise the boom
C
lower the boom
D
lower the load
E
İlgili Sorular
All life jackets and life buoys shall be marked with the§vessel's name in letters at least _____. (s...A petroleum liquid has a flash point of 135°Fahrenheit. This liquid is classed as a grade __________...The color of the signal flare sent up by a submarine indicating that a torpedo has been fired in a ...The dividing meridian between zone descriptions +7 and +8 is __________.Diagram Number D037NG represents a movable dam. If there is high water and the wickets are down so ...