help prevent wear on the ropes as they pass through the ceiling. pet is used since late as liner material in type iv composite high pressure gas cylinders . pet works as a much better barrier to oxygen than earlier used (ld)pe. [ ] pet is used as a d printing filament, as well as in the d printing plastic...
also reduces the environmental load in logistics. plastic is also a good material for many durables that need to be strong and long-lasting, for example, certain building materials and outdoor furniture in which plastic replaces tropical wood. we create operating models that prevent plastics from ending...