Sedimentation tank at a sewage plant. Sewage is poured into such tanks and left to settle, which causes fats and oils to rise to the surface, and heavy material to sink. Each can then be processed separately. Filmed at Kidwelly sewage works, Wales. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Davies, Andy |
Modell-Rechte: | nicht erforderlich |
Länge: | 40 Sekunden |
Seitenverhältnis: | 16:9 |
Restrictions: | - |