Alcohol alkalis, flammable liquids, mists and gases are all examples of …
a.nontoxic chemical substances
b.dangerous chemical substances
c.organic wastes
d.recyclable wastes
Alcohol alkalis, flammable liquids, mists and gases are all examples of …
a.nontoxic chemical substances
b.dangerous chemical substances
c.organic wastes
d.recyclable wastes
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