ID 13920881 © Alexmax | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
big bulb bulbs comparison concept concepts conceptual economical economy efficiency efficient electrical electricity electronics energy fluorescent incandescent isolated lamp lamps light luminescent luminous modern new object objects orange power saving savings small technology tube tubes tungsten white