![](http://www.alamy.com/thumbs/6/209D309A-E9CC-41DC-ACAE-81D859B800BC/AKXD0N.jpg)
Energy efficient lightbulb
Size: 3750px × 5625px
Photo credit: © D. Hurst / Alamy / Afripics
License: Royalty Free
Model Released: No
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