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

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

出自：海船船员证

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