The knot used to join two lines or two large hawsers for towing is called a（）.

The（）enables water to be blow down or emptied from the boilerIt may be used when partially or completely emptying the boiler.

Which of the valves listed should be used either in the fully opened or the fully closed position?（）

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, 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.

The （） is used for hauling in or letting out the wires or ropes.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

Chemical Tankers are generally referred to the cargo ships constructed or adapted and used for the carriage of（）.

（ ）estimating is a technique for estimating the duration or cost of an activity ou project using historical data from a similar activity or project.

The records of ship security training, drills and exercises shall be kept in the working language or languages of the shipIf the language or languages used are not（）, a translation into one of these languages shall be included.