（）, 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。

某企业只生产一种产品，本月的成本资料如下：月初在产品成本为8000元，本月生产该产品耗用材料50000元，生产工人工资8000元，车间管理人员工资2000元，应付福利费按照工资总额的14%计提，车间水电、折旧等费用合计4600元，预付车间半年保险费1200元（含本月），月末在产品生产成本4200元，则该车间本月完工产品生产成本为（ ）元。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。