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Miljövetenskap & -teknik
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A few tips, tricks and instructions from a carpenter, for garden hobbyists. Volume 1 is about animal housing so that your pets feel really comfortable. So that you can give them a …
Bogen beskriver en række alternative energiløsnings muligheder, som giver inspiration og nytænkning indenfor nye energiformer, som andre kan arbejde videre med. Jørn Nielsen har …