iPhone Cases: Incandescent lamp is changed to LED light by the hands of a man. Energy saving.

File Details

Published: 2018-11-24 10:10:59.350763 Category: Technology Type: Photo Model release: No

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Keywords

led, light, bulb, new, concept, service, man, power, electrician, background, lamp, change, white, green, home, electrical, people, replace, save, electric, energy, modernization, technology