English version

biodigester

From Longman Dictionary of Contemporary Englishbiodigesterbi·o·di·gest·er /ˌbaɪəʊdaɪˈdʒestə, -də- $ -oʊdaɪˈdʒestər, -də-/ noun [countable]  a large container in which plant material or animal waste is changed by bacteria, producing methane and carbon dioxide
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