60.  A from time to time   B  in time    C  sooner or later   D on occasion

The Master or person in charge of a ship is required to log（）.

Generally speaking, suction heads require to be （） for high speed or large capacities than for low speed or small capacities.

How is the Master or operator of a vessel required to keep the crew informed of the regulations concerning the discharging of garbage overboard?（）.

（） provides the head or pressure to supply the domestic water where required.

（）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.

The goal, which they are unlikely to live to see , is tocure, prevent or manage all diseasesin the next 80or so years.

When installed for bilge pumping or ballast duty, centrifugal pumps require a （） to remove air from the suction pipe.

If necessary to avoid collision or allow more time to（）the situation，a vessel shall slacken her speed or take all way off by stopping or reversing her means of propulsion．

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

（） 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.