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 （）.

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

安全教育中的专业安全技术知识教育是指对某一工种进行必须具备的专业安全技术知识教育，不含（）知识教育。

《建筑法》关于施工许可、建筑施工企业资质审查和建筑工程发包、承包、禁止转包，以及建筑工程监理、建筑工程安全和质量管理的规定，适用于其他专业建筑工程的建筑活动，具体办法由（）规定。

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。

安全科学知识体系包括安全科学、安全工程学、安全工程、专业安全知识。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。