Lesi sihloko sihlola umehluko phakathi kwamashidi e-PET (i-polyethylene terephthalate) ne-PVC (i-polyvinyl chloride) ngokusebenza, izinhlelo zokusebenza, nomthelela wemvelo. Ngokuqhathanisa ukwakheka kwezinto ezibonakalayo, izakhiwo ezingokomzimba, kanye nokusetshenziswa ezimbonini ezihlukahlukene, kuzothola ukuqonda okuphelele kwalezi zinto ezimbili ezivame ukusetshenziswa zepulasitiki.
