On Sun, 20 Aug 2006 22:38:31 +0100, Rob
wrote:

Um - per means 'for each', unless you have a more accurate definition.
You told me to use 'for', or 'FOR', in the first place. Each means every
one of more. Don't mean to patronise ...

Per means divided by. The sum you are doing is multiplied by. You are
talking Watt Hours, not Watts per hour.

d

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