caption: materials and their meanings pps ppp and its characteristics ppp has an important role in the manufacture of
exif: {"Image DocumentName": "13.10 \u2013 Properties of Plastics", "Image ImageDescription": "Many materials are made out of plastics. PVC piping, bags, surfaces, protective films, bottles, etc. Plastics often have advantages over the use of metal compounds and cost much less. When we run out of oil we will also run out of access to cheap plastics. This is why recycling our plastics is so important!!", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}