caption: the process of mineral processing
exif: {"Image DocumentName": "Weiss, Handbook of Mineral Processing , SME Publication.", "Image ImageDescription": "A.J.Lynch, Developments In Mineral Processing: Mineral Crushing and Grinding Circuits , Elsevier.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}