Chero sangano rinofanirwa kunyatsoongorora kana kushandisa PET (polyethylene terephthalate) kana tambo dzesimbi. Sarudzo yakakodzera inokanganisa kuchengetedzwa kwechigadzirwa, mutengo wekuita bhizinesi, uye hutano hwevashandi. Kusunga simbi kwagara kuri kuenda-kune-heavy-duty mabasa, asi contempo