Cement methane digester,built by Kevin Sims of Oakbburst,near Maryborough,Queensland. It is made in three compartments,the central one sealed off from the air. Fowl and goat manure,weeds,grass clippings and kitchen scraps are digested in it and the methane collected in inner tubes for easy transportation | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Scagell, Robin |
Taille de l’image : | 2480 px × 3732 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |