Weight of concrete block
In article ,
"shazzbat" writes:
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| So for high precision science, what's the difference between an American
| pound and a British pound?
I doubt that there is a single American pound, any more than there
is a single African one.
However, in the USA, a pound is a derivation of an Imperial pound and,
in the UK, a pound is a metric pound. Since about 1950.
Regards,
Nick Maclaren.
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