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I had a collegue return a drawing to me with changes to the way i had written the measurement. I was under the impression that when writting out measurements, either imperial or metric, using the abreviations, the said abrev. would exist directly after the numeric. example, 2mm, 2", 20km, 50mph Their request is to put a space inbetween example, 2 mm, 20 km, 50 mph. I have not been able to find a resource on which is the best practice.
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