（）, 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.

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

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

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.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

Banks have no liability for any delay or loss caused by postal or telex failure.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

乙公司是一家大型家电零售连锁企业，近年来开始将触角伸向上游环节。2009年收购了一家空调企业，对其进行全面重组，注入巨额资金用于改善该空调企业的研发能力，希望推出与竞争对手不同的产品。短短几年时间，该空调企业研发出了若干新产品，在市场竞争中遥遥领先于原有竞争对于。乙公司针对该空调企业的此种做法属于（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。