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#6
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Broadback wrote:
[...] how can a No 14 drill in one case be 4.6mm and in the other 7.0mm. For the same reason that 30 SWG wire isn't the same size as 30 AWG, even though they're both "30 gauge" - different scales, historical reasons, "not invented here" and the mists of time. Oh, and to confuse the uninitiated :-) -- Andy |
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