To safeguard the operator and other personnel working on or near a hoisting operation which of the following precautions should be observed?（）

The loss of the diesel engine cylinder air charge through leaky valves, piston rings, worn or scored liners, would be indicated by which of the following sets of conditions?（）

Off hire is when a vessel breaks down，strands，or has any damage that prevents the working of cargo or delays the sailing of the vessel．Under which of the following charter parties is off hire most likely to be mentioned?（）.

Off hire is when a vessel breaks down，strands，or has any damage that prevents the working of cargo or delays the sailing of the vessel.Under which of the following charter parties is off hire mostlikely to be mentioned?（）.

Which of the following is the best version of the underlined portion of sentence 15 (reproduced below)?Also, very few young adults really think about what kinds of qualifications and skills the candidates might or might not have they just pick the one whom their parents or their friends like.

Which of the following do not belong to the same type according to the manner or place of articulation?  

Which of the following coverage usually covers partial loss or damage resulting from natural calamities？（）

Which of the following coverage usually covers partial loss or damage resulting from natural calamities？（）

The ways in which words follow one another and are related to one another is called the syntagmatic dimension of language, the dimension of “chaining” or “sequencing”.（）

The ways in which words follow one another and are related to one another is called the syntagmatic dimension of language, the dimension of “chaining” or “sequencing”.（）

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（）.

A technician is performing scheduled preventive maintenance on a laser printer. Which of the following should the technician clean or replace？ （）