A light bulb on a blue background.
Size: 5320px × 3547px
Location: Leeds, United Kingdom
Photo credit: © Ian Hinchliffe / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: basic, blue, bulb, bulbs, businesses, colour, common, companies, dark, darkness, day, discovery, diy, electricity, energy, filament, fire, fit, fuse, glass, home, housing, illuminate, lamp, light, lightbulb, modern, night, normal, outdated, power, refit, renewable, research, room, saving, simple, stand, standard, traditional, tungsten