caption: telecommunications technology ppt download
exif: {"Image DocumentName": "Communications a. Television & radio b. satellite technology", "Image ImageDescription": "c. telephone. d. computer and internet. e. telecommunications cable was laid along the Silk Road. This cable provides 20 countries with communications services.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}