Energy-saving Lamp vs. incandescent lamp . The concept of energy saving . On a yellow direction of the incandescent lamp is perpendicul

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Energy-saving Lamp vs. incandescent lamp . The concept of energy saving . On a yellow direction of the incandescent lamp is perpendicular to the energy saving lamp.

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Size: 3500px × 2359px
Photo credit: © Andrej Mitin / Alamy / Afripics
License: Royalty Free
Model Released: No

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