单选题Each hand portable fire extinguisher on a ship must be marked with（）.Athe name of the unit on which it is locatedBthe date that it was installed on the unitCthe names of the individuals qualified to use itDan identification number different from other extinguishers on the unit
单选题
Each hand portable fire extinguisher on a ship must be marked with（）.
A
the name of the unit on which it is located
B
the date that it was installed on the unit
C
the names of the individuals qualified to use it
D
an identification number different from other extinguishers on the unit
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