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Applied Science found that cryogenic treatment of steel drill bits made them last twice as long: https://youtube.com/watch?v=hAxi5YXTjEk https://youtube.com/wat
by bigbubba 6y ago
Applied Science found that cryogenic treatment of steel drill bits made them last twice as long: https://youtube.com/watch?v=hAxi5YXTjEk https://youtube.com/watch?v=hAxi5YXTjEk