design and build since 2005
cool diagrams!still, one remark regarding modern times - I think that nowadays, at least in developed countries, grey water are not likely to be poured back directly to the rivers (I hope!).
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cool diagrams!
ReplyDeletestill, one remark regarding modern times - I think that nowadays, at least in developed countries, grey water are not likely to be poured back directly to the rivers (I hope!).