Le 03/10/2011 22:11, Alain a écrit :
> I always wonder WHY the USA kept that colonial mesurment system. The
> metric system did exist at that time. Back then, it would have been easy
> to adopt the metric system and ditch the hated imperial system.

The "Not made here" syndrom.
USA is proud of its own system. It's not imperial (yet looks
traditional), not metric, but their very own. That's also help to be
"protective" on commerce while shouting out loud about "free commerce,
no regulation".

(when the foreign sellers of good have to waste time doing conversion or
changing measurement tools (at their own expense), it becomes also a
competitive advantage for the local sellers...))

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