L'ACQUA NEI VILLAGGI DEL BURKINA - una danza nell'emergenza
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Added: 3 years ago
From: noumoutie
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  • la soluzione per far andare la pompa (e dare elettricita' a un quartiere!) con il solare;

    ma non pannelli fotovoltaici, ma lamiere nere e circuito acqua!

    LA SOLUZIONE

    wwDOTcarvadisDOTcom/hammuraby/­pozzodelvento.pdf

    hammurabyi 1 year ago

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