A video worth watching. Explains various design features and the reasons for them, as well as the history of how cans used to be made.
Before you watch see if you can guess how many of these cans are manufactured worldwide each second. Or each year if you prefer.
Before you watch see if you can guess how many of these cans are manufactured worldwide each second. Or each year if you prefer.
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via International Skeptics Forum http://ift.tt/1CNiCTp
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