Evacuated glass solar tubes (EGT) in a passive solar water heating system. EGTs absorb and transfer energy from sunlight | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Tek Image |
Bildgröße: | 4200 px × 5600 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |