Man changing incandescent bulb to an efficient LED in his home

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Sustainability, Technology
1344x768
Man changing incandescent bulb, efficient LED in his home, reducing energy use
Man changing incandescent bulb, efficient LED in his home, reducing energy use
Sustainability, Technology
1344x768
Man changing incandescent bulb, efficient LED in his home, reducing energy use
Man changing incandescent bulb, efficient LED in his home, reducing energy use
Sustainability, Technology
1344x768
Man changing incandescent bulb, efficient LED in his home, reducing energy use
Man changing incandescent bulb, efficient LED in his home, reducing energy use