PET (Polyethylene Terephthalate) ke resin ea thermoplastic polymer e sebelisoang haholo ho paka, ho kenyeletsoa le mabokose a blister. E sebetsa e le thepa ea mantlha ea ho etsa likoahelo tse pepeneneng, tse sireletsang tse koahelang lihlahisoa.
E, maqephe a PET a nkoa a bolokehile bakeng sa ho paka lijo le meriana. Li kopana le litlhokahalo tse thata tsa taolo 'me li amoheloa hohle bakeng sa likopo tse joalo.
Qala Morero oa Hao le Rona