A paddlewheel turns processed municipal solid waste at the Prairieland Composting Facility in Minnesota. The first step towards making compost,biological decay,is accomplished here in the siloda building. Any pathogens in the waste are killed by the heat generated during decomposition | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Pierce, Nancy J. |
Bildgröße: | 2762 px × 4159 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: |
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