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    1. Droogtoilet

      Voordeel van dit systeem is dat er een vuilwatertank nodig is.

      5 votes
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      • Voetpomp op de kraan

        Of draai een waterbesparende kraankop in; dit zorgt voor zuinig gebruik van drinkwater en dus minder afvalwater.

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        • Zonneboiler

          Een zonneboiler / verwarming. Dit systeem wekt, zelfs nu het winter/bewolkt is, een watertemperatuur van 40 graden Celcius. Dit systeem kan uiteraard als boiler enkel gebruikt worden met naverwarming ivm legionella maar als verwarmingssysteem kan dit zonder en is het 100% natuurlijke warmte.

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          • Plantaardig vet voor smering schroefas

            Of zelfs een watergesmeerde schroefas: het vet gebruikt voor de schroefas komt uiteindelijk in het oppervlaktewater terecht.

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            • Geef biobrandstoffen een kans

              Op dit moment wordt 2% van het wereldwijde landbouwarsenaal gebruikt voor de productie van plantaardige oliën.

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