Solar water heating system. Solar heating tubes on a house rooftop. A passive solar water heating system comprises individual evacuated glass tubes (EGT) that absorb energy from the sun to heat water. Photographed in the UK | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / JEREMY WALKER |
Bildgröße: | 2848 px × 4288 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |