give-me-all-the-hetalia-boys: snowcoveredsunflower: deadmomjokes: barfingunicorn: 823-hauntingconman: capnskull: the drum is filled with hot steam and then sprayed with cold water. the pressure on the outside of the drum is far more than inside.
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give-me-all-the-hetalia-boys: snowcoveredsunflower: deadmomjokes: barfingunicorn: 823-hauntingconman: capnskull: the drum is filled with hot steam and then sprayed with cold water. the pressure on the outside of the drum is far more than inside.
