Engineering, 06.12.2019 20:31 jaidencoolman2866
In 1938 dr. roy plunkett discovered that a certain material became very slippery when frozen, and ptfe was invented. under the brand teflon, ptfe coatings were applied to a wide variety of items from spacecraft to frying pans. dupont was able to capitalize on
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In 1938 dr. roy plunkett discovered that a certain material became very slippery when frozen, and pt...
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