I suspect most of them are dry chemical extinguishers. Many places recommend that you shake dry chemical extinguishers monthly, to ensure the powder doesn't pack in one area.
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I suspect most of them are dry chemical extinguishers. Many places recommend that you shake dry chemical extinguishers monthly, to ensure the powder doesn't pack in one area.
It is not what you do for your children, but what you have taught them to do for themselves, that will make them successful human beings.
–Ann Landers