Example: bachelor of science
ECOLOGICAL SOLID WASTE MANAGEMENT CLASSIFICATION …
TWIN PITS Dig into (1m x 1m x 1m) one-half meter apart. Put small twigs at the bottom and place a hallow tube for air inlet. Follow the rules for composting, using the pits by turns. For an average household, it might take a month to fill up each pit, thus allowing sufficient time for the materials to decompose or mature into soil conditioner ...
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