...made from either "Plastics are made from natural materials such as cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensa

...made from either "Plastics are made from natural materials such as cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensation process." https://plasticseurope.org/plastics-explained/how-plastics-are-made/ https://plasticseurope.org/plastics-explained/how-plastics-a... https://www.plasticsforchange.org/blog/how-plastic-is-made https://www.plasticsforchange.org/blog/how-plastic-is-made