ಸಂಪನ್ಮೂಲಗಳು ಟ್ಯಾಗ್: Farm Manure
2 items found (Showing 1 - 2)
- Describes the physical and chemical processes leading to the production of biogases and describes procedures for constructing a digester to convert sewage and organic wastes to methane for use on farms and in homes
-