Electrical equipment on standby,including a combined CD player and speaker,digital television decoder,laptop computer,DVD recorder,mobile phone and charger. The red,green and yellow lights indicate the standby modes. Unnecessary use of electricity increases electricity bills and is bad for the global environment because most electricty is generated from power stations that use fossil fuels | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Watkins, Emmeline |
Bildgröße: | 2413 px × 3661 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |