8.1 Each extinguisher should be clearly marked
with the following minimum information:
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.1 name of the manufacturer;
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.2 types of fire and rating for which the extinguisher
is suitable;
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.3 type and quantity of extinguishing medium;
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.4 approval details;
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.5 instructions for use and recharge (it is recommended
that operating instructions be given in pictorial form, in addition
to explanatory text in language understood by the likely user);
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.6 year of manufacture;
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.7 temperature range over which the extinguisher
will operate satisfactorily; and
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.8 test pressure.