Thursday, 14 March 2013

Another interesting link

For those that are a bit fuzzy on the difference between this and the type of sewage heat recovery you get in your house, this is an interesting link.
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1 comment:

  1. Dale Parkes18 March 2013 at 16:16

    Try to pose some questions or ask for feedback in order to generate more blog discussion.

    ReplyDelete

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