Ito Book Hindi umiiral sa iyong wika, Tingnan sa: English (en),
O gamitin ang Google Translate:  

This publication discusses the background and history of digesters, the biology of digestion, raw materials, the gas, digesters, using gas, using sludge, and building a sump digester, and building an inner tube digester.

Publication Details

  • Publisher: Fry
  • Dewey Decimal: 631.8
  • ECHO Library: 631.8 FRY