Ropes of wires attached to derricks to prevent them from swinging during cargo handling operations are ______.
A. Preventers
B. Side ropes
C. Stays
D. Guide lines
Radar is used not only to look______,but also to measure their distances away from you.
A. at obscured objects
B. forward submerged targets
C. up exposed targets
D. for unseen objects
Persons engaged in the transport of dangerous goods shall ______ training in the contents
A. have
B. make
C. take
D. Receive
On a crane, the boom indicator tells the operator what angle the boom angle is compared to
A. vertical position
B. horizontal position
C. boom stop angle
D. minimum radius angle