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17 Best images about powerpoint backgrounds on Pinterest ,See more about Templates for powerpoint, Background colour and Presentation templat , See More Free beach stones PowerPoint template background....know more

This is a free Twitter background for PowerPoint presentations with ,Nautical PowerPoint template is a blue background PowerPoint template with sea photo in the background slide and suitable to be used in presentations for....know more

Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust , The earliest crushers were hand-held stones, where the weight of the stone , 1 Background history; 2 Industrial use; 3 Types of crushers , part of crushing and mining part of the process occurred under muscle power as the....know more

Add a background picture (or watermark) to slides - PowerPointAdjust the brightness or transparency (depending on your version of PowerPoint) to make a background image appear faintly enough to be visible but not....know more

Simple Cubes PowerPoint Template is a simple background for ,Green Widescreen PowerPoint template background for presentations is a green variant version of widescreen templates for PowerPoint that you can download....know more

Add a DRAFT watermark to the background of slides - PowerPointPowerPoint doesn't have a gallery of ready-made watermarks like Word has, but you can still manually put a text background in your slides to get that watermark....know more