A.coast to aircraft operational communications
B.aircraft to ship operational communications
C.lock & bridge communications
D.aircraft to ship navigational communications
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A.without losing the rhythm of respiration
B.only with the help of two other people
C.by not stopping the respiration for more than 5 minutes
D.at ten minute intervals
A.It causes minimal damage
B.It is safer for personnel
C.It is cheaper
D.It is most effective on a per unit basis
A.Grade A flammable liquid
B.Grade C flammable liquid
C.Grade D combustible liquid
D.Grade E combustible liquid
A.six months
B.one year
C.two years
D.thirty months
A.loss of pay during the period of such use
B.reprimand by the US Coast Guard
C.revocation of license or certificate
D.termination of employment
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Chart legends which indicate a conspicuous landmark are printed in（）.
Control of fire should be addressed（）.
Class I and II private aids to navigation in or along navigable waters of the United States are listed in the（）.
Diesel powered industrial trucks on a ship that are provided with safeguards to the exhaust，fuel，and electrical systems are designated（）.
Compared to a low pressure system，generally the air in a high is（）.
Conventional anchors are least likely to hold in a bottom consisting of（）.
Day-shapes must be displayed（）.
Chart legends printed in capital letters show that the associated landmark is（）.
Deck beams on a ship are generally spaced at equal intervals and run（）.
Commercial ships or other persons or agencies requiring the assistance of Canadian Coast Guard icebreakers should first contact（）.