Energy-saving light bulb. This light bulb is a form of fluorescent lighting,which produces less heat than an incandescent bulb. More of the electrical energy is therefore converted to light,making it more efficient | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Tek Image |
Bildgröße: | 4062 px × 5279 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |