![](http://www.alamy.com/thumbs/6/CD91B253-E937-431B-A299-3229E15C782B/2NY6CDT.jpg)
Tungsten light bulb isolated on white background
Size: 6400px × 4266px
Location: Pakistan
Photo credit: © Hazrat Bilal / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: alternate, alternative, background, bulb, cfl, concept, copy, discovery, e22, e27, ecology, economic, edison, efficient, electricity, energy, filament, glass, halogen, household, idea, ideas, igniting, imagination, industry, inefficient, innovation, intelligence, invention, isolated, lamp, light, lightweight, pin, power, recycle, save, saving, solution, space, success, thinking, thinks, transparent, tungsten, vacuum, waste, white