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.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

综合机械化采煤工艺简称“综采”，即破煤、装煤、运煤、支护四个主要工序全部实现机械化。

综合机械化采煤指采煤工作面的落煤、装煤、运煤、支护、处理采空区等主要工序全部实现了（），形成连续作业。

在回采工艺过程中，破煤、装煤、运煤、支护、采空区处理五大工序全部机械化作业叫普采。

采煤工艺由落煤、装煤、运煤、支护与采空区处理等工序组成。

综合机械化采煤是指采煤的全部生产过程，包括落煤、装煤、支护、（）控制以及工作面运输巷运输等全部实现机械化。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。