A.Immediately use all the signals at once B.Use all the signals during the first night C.Employ a signal every hour after abandoning ship until they are gone D.Use them only when you are aware of a ship or plane in the area
A.asphyxiation from CO2 B.loss of air in the sides of the raft C.rough seas D.cold water temperatures
A.The sea anchor deploys B.The floor inflates C.If upside down，the craft rights itself D.The painter detaches from the raft
A.must be wet before it will release B.should be kept in a watertight cover except in an emergency C.will inflate the raft in its cradle if operated manually D.must be submerged to a certain depth to release automatically
A.breaking the weak link B.releasing the tie-down strap C.pulling the operating cord D.releasing the CO2 canister
