caption: Electricity Can be generated from many different sources -- different category. Secondary source of energy: converted from a primary source.
exif: {"Image DocumentName": "Electricity Can be generated from many different sources \u2013 different category. Secondary source of energy: converted from a primary source.", "Image ImageDescription": "Energy carrier: can move and deliver energy in a convenient, usable form. Wood, dammed water, pressurized air. Electricity itself is clean (no pollutants); production of electricity is not.", "Image XResolution": "200", "Image YResolution": "200", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}