この Book あなたの言語には存在しません, で見る: English (en),
またはGoogle翻訳を使用する:  

Biogas is a clean-burning fuel.  It does not give off smoke as does charcoal or firewood.  By using biogas for cooking you can keep your cooking area and your food cleaner.  This publication tell how to make and use biogas.

Publication Details

  • Publisher: FAO (Food and agriculture org. of the U.N.
  • ISBN-10: 9251012903
  • ISBN-13: 978-9251012901
  • Dewey Decimal: 338.927
  • ECHO Library: 338.927 FAO

タグ

Biogas

Purchase