A.cutting the straps that enclose the container
B.removing the rubber sealing strip from the container
C.loosening the turnbuckle on the securing strap
D.pushing the button on the hydrostatic release
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A.breaking the weak link
B.releasing the tie-down strap
C.pulling the operating cord
D.releasing the CO2 canister
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Inflatable liferafts are less maneuverable than lifeboats due to their（）.
If you must land on a beach with an oar-propelled lifeboat through a heavy surf，the recommended method is to（）.
Releasing oil from the sea anchor of a lifeboat may（）.
Severe exposure to chlorine gas can be fatal. Chlorine gas is primarily a（）.
A person with diabetes has received a minor leg injured. The symptoms of the onset of a diabetic coma include（）.
A shipmate chokes suddenly，cannot speak，and starts to turn blue. You should（）.
Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces，such as in a pumproom，provided that the（）.
A right-handed propeller will cause the survival craft to（）.
A person may operate an air compressor in which of the following areas on board a tank barge?（）
In heavy seas the helmsman should steer the motor lifeboat（）.