Safety-management objectives of the Company should establish safeguards （） all identified risks.

A.general alarm and fire control plans
B.muster stations and duties of individual
C.patrol system
D.All of the above

A.darkness
B.daylight
C.simulated engine-room
D.all of the above

A.oil leakage in engine-room
B.hot work (welding, cutting, etc)
C.static electricity
D.all of the above