Light bulb PowerPoint background image
File Size: 570.92KB Download times: 2042The PPT background image, with a yellow black radial gradient as the background color, uses two different light bulbs as the main elements of the slide background image. Suitable for the production of electricity safety lectures PPT, saving electricity slides and so on. HomePPT provide widescreen and ordinary screen two resolution JPG picture, for everyone to download and use;