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I'm your GAS-O man...stop me when I'm passing by...

we use compressed nitrogen at work, it always amazes me when the guy who delivers em rolls em in from 400 feet away at a steady pace like that

ohh man, we used liquid nitrogen at a place i worked. that stuff is soo cool. literally. the machines that used it ran at -300 degrees farenhiet. if it touched bare skin it would "burn". yeah crazy shit!