If you would rather be saf


If you would rather be safe than sorry, you can use dry ice (which is available at most ice manufacturing plants and is fairly inexpensive — look up "ice" in the phone book, and never handle the stuff with bare hands!). When you place dry ice in hot water, it creates a dense fog that clings to the floor. This fog contains carbon dioxide and water vapor, so it is completely harmless to humans and equipment.

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