中国所有用人单位及其职工应当参加工伤保险，由用人单位缴纳工伤保险费，职工个人不缴纳工伤保险费。

工应当参加工伤保险，由用人单位缴纳工伤保险费，职工不缴纳工伤保险费。

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.

建设单位应当依法对工程建设项目的勘察、设计、施工、监理进行招标。对工程建设有关的重要设备、材料等的采购，建设单位应当（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

建筑施工企业应当依法为职工参加工伤保险缴纳工伤保险费。鼓励企业为从事危险作业的职工办理（），支付保险费。

（）第33条亦规定，职工应当参加工伤保险，由用人单位缴纳工伤保险费，职工不缴纳工伤保险费。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。