We were told the vapor thing at our safety meeting at work. He also said don't try it, if there's vapor settled above the gas, there's gonna be a problem. Well, when I tried it there wasn't any vapor above the gas, I guess.
He that would make his own liberty secure, must guard even his enemy from oppression; for if he violates this duty, he establishes a precedent that will reach to himself.
Thomas Paine
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