You could argue that the o-ring is a bit of a &quo..

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You could argue that the o-ring is a bit of a "living fossil" in terms of manufacturing components. They were first brought to market way back at the dawn of the 20th century - and yet, for all their absolute simplicity and the very basic nature of the role they perform, they're still incredibly widely used today.http://www.yuefeng-seal.com/o-rings/

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