Vermifilters (or vermi-digesters) 11 topics
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Includes sewage and blackwater treatment using wet composting systems with worms, vermifiltration of greywater (note: toilets using vermidigesters are in the toilet subcategory)
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Includes sewage and blackwater treatment using wet composting systems with worms, vermifiltration of greywater (note: toilets using vermidigesters are in the toilet subcategory)
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