Plastics 47 Polymers 13 Reinforced plastics 10 Composite materials 8 Dissertations, Academic (Ph.D) 8 Materials 8 Plasticity 7 Adhesives 5 Composting 5 Handbooks 5 Manuals 5 Plastics technology 5 Thesis (Ph.D)-Chemistry 5 Biodegradable plastics 4 Ceramics 4 Fibrous composites 4 Glass 4 Plastic optical fibers 4 Plastic waste management 4 Polymeric composites 4 Polymerization 4 Sealing compounds 4 Analysis-atlases 3 Biofertilizers 3 Elastomers 3 Fiber reinforced plastics 3 Nanocomposites (Materials) 3 Plastic coating 3 Polyesters 3 Polymer technology 3