A.draft of the vessel
B.rate of delivery
C.communication with terminal personnel
D.observation of manifold valves
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A.be safe if mixed with fresh water
B.prevent seasickness
C.promote urine excretion
D.protect against heat cramps
A.survivors in the water
B.food and water
C.land
D.bad weather
A.12 to 15 times per minute
B.18 to 20 times per minute
C.20 to 25 times per minute
D.as fast as possible
A.use the mouth-to-mouth method
B.clear airways
C.use rhythmic pressure method
D.know all approved methods
A.storing all items in an assigned place
B.storing all items in a common storage container except those ready-for-sea
C.tagging all items according to their age and then storing them together
D.disposing of worn-out items
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（） is not installed on the main switchboar.
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