How Porta Potties Work | HowStuffWorks Animations
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You can find porta-potties at
You can find porta-potties at festivals, construction sites and concerts across the planet – but how do they work? Get a closer (non-messy) look here.
Learn more at HowStuffWorks: http://science.howstuffworks.com/inno...
Learn more at HowStuffWorks: http://science.howstuffworks.com/inno...
9 سال پیش
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