The cost isn’t that minimal when everyone has materials denominated in customary units anyway, tool sets in them, and so on, and the benefit isn’t that big when the industrial and scientific applications that really would most benefit are already done in metric.
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The cost isn’t that minimal when everyone has materials denominated in customary units anyway, tool sets in them, and so on, and the benefit isn’t that big when the industrial and scientific applications that really would most benefit are already done in metric.