When under maneuvering conditions with the machinery being manually operated the control unit or console should be

Integrated Bridge and Navigation Systems(IBS/INS) provide excellent performance and reliable navigation under all conditions by（）.

At sea, much of the （）time is spent maintaining the ship and her equipment in good condition.

At sea, much of the sailor’s time is spent （）the ship and keeping her equipment in good condition.

（）is entitled to enter into，with a shipper，any agreement，stipulation，condition，reservation or exception as to the responsibility and liability of the carrier or the ship for the loss of or damage to，or in connection with，the custody and care and handling of the goods prior to the loading on，and subsequent to the discharge from，the ship on which the goods are carried by sea.

In extreme weather conditions, either hot or cold, control of the air conditioning plant presents （） difficulties.

Which change in the condition of the seas could indicate the formation of a tropical storm or hurricane several hundred miles from your location? （）

（） system is arranged to ensure that water can be drawn from any tank or the sea and discharged to any other tank or the sea as required to trim the vessel.

Under normal conditions a liferaft is released from itscradle by（）.

Under normal weather and sea conditions when securing a stack of containers with twist locks，lashings are required when the tier exceeds what height? （）

Under normal weather and sea conditions when securing a stack of containers with non-locking fittings，lashings are required when the tier exceeds what height?（）.

Under centrifugal pumps are the volute, diffuser, mixed-flow, axial flow and （） or regenerative types.