is 230.49 KB, has a resolution of 900x500 pixels and was uploaded on January 28, 2019 @ 5:53 pm by user: malwinel. It is filed under the tags: energy conversion efficiency, tertiary sector of the economy, lighting, led display, office. Click the blue button at the top to freely download: Offices Lighting Light-emitting Diode Beghelli LED Display Incandescent Light Bulb png.