A. Don’t shift the guy as you like.
B. Don’t shift the stay as you like.
C. Don’t move the derrick as you like.
D. Don’t move the crane as you like.

A. Lower the derrick, please.
B. Top the derrick, please.
C. Swing the derrick, please.
D. Adjust the derrick, please.

A. When the derrick is stopped, the guy must be stowed.
B. When the derrick is stopped, the guy must be topped.
C. When the derrick is stopped, the guy must be lowered.
D. When the guy is stopped, the derrick must be stowed.

A. As an officer on duty, you must know how to adjust derricks.
B. As a sailor on duty, you must know how to adjust derricks.
C. As a sailor on duty, you must know how to operate cranes.
D. As an officer on duty, you must know how to operate cranes.

A. Many ships have two derricks at each hatch.
B. Many ships have two winches at each hatch.
C. Many ships have two derricks and two winches at each hatch.
D. Many ships have two derricks and two winches at each hatch cover.

A. Heavy derrick is used for lifting large heavy cargo.
B. Derrick is used for lifting large heavy cargo.
C. Heavy derrick is used for lifting dry bulk cargo.
D. Derrick is used for lifting dry bulk cargo.

A. The ship needs loading.
B. The ship needs discharging.
C. The ship needs unloading.
D. The ship needs loading and discharging.

A. Bosun, why do we open hatch covers?
B. Officer, why do we open hatch covers?
C. Bosun, why do we close hatch covers?
D. Bosun, why do we open hatches?

A. After operation, start the electric motor.
B. Before operation, stop the electric motor.
C. Before operation, start the electric motor.
D. After operation, stop the electric motor.

A. To avoid shock, reduce the speed of moving hatch cover by inching control.
B. To avoid shock, reduce the speed of moving hatch cover by control levers.
C. To avoid shock, reduce the position of moving hatch cover by inching control.
D. To avoid shock, reduce the course of moving hatch cover by control levers.