Commodity 
                          Plastics 
                          Popular 
                            materials used in buildings, electrical appliances 
                            and automobiles:
                            
                            - Polyvinylchloride
                            - Plasticizers
                            - Stablizers
                            - Synthetic Rubbers
                            - Polyethylene
                            - Polypropylene
                            - ABS
                            - Polyurethane
                            
                            Engineering 
                            Plastics 
                          
                          Materials 
                            used when high heat resistance, high durability, and 
                            high accuracy for measurement are essential, such 
                            as in electrical appliances, computers and composite 
                            materials
                            
                            - 
                            Nylon
                            - Polycarbonate
                            - Polyacetal
                            - PET
                            - PPS
                            - PBT
                            - PPE
                            - PPO
                            - Composite Materials
                            
                            