umphakathi omncane oluthuthu
I-plastic film esobala iyisisetshenziswa esiwusizo kakhulu futhi esibalulekile ekupakisheni kwanamuhla nasezixazululweni zokuvikela. Le nto entsha ihlanganisa ukucaca okubonakalayo nokuqina okuphawulekayo, inikeza ukubonakala okuvelele kuyilapho igcina isakhiwo siphelele. Le filimu yenziwa ngezinqubo ezithuthukile zokucindezela, okuholela ekuvikeleni okufana, okucacile okuhlinzeka kokubili ukuvikelwa kanye nezinzuzo zokubonisa. Isakhiwo sayo samangqamuzana sivumela ukudluliswa kokukhanya okuhle kakhulu kuyilapho sigcina amandla nokuqina, okwenza kube kuhle kakhulu ukusetshenziswa ezindaweni ezihlukahlukene. Ubukhulu befilimu bungalawulwa ngokunembile ngesikhathi sokukhiqiza, ngokuvamile buqala ngezindlela eziphansi kakhulu zokugoqa ukudla kuya ezinhlobonhlobo ezinesisindo esiphezulu zokusetshenziswa kwezimboni. Ukwakheka kwamakhemikhali ayo kwenza akwazi ukumelana nomswakama, amagesi, nezinto ezingokwemvelo, kuyilapho egcina izakhiwo zayo ezicacile ukuphila kwayo konke. Le nto ingacutshungulwa ngokuguqulwa okuhlukahlukene kobuso ukuze kuthuthukiswe izici zayo zokusebenza, kufaka phakathi izakhiwo ezilwa nenkungu, ukuvikelwa kwe-UV, kanye namakhono athuthukisiwe okunamathela. Ezimbonini nasezentengiselweni, ifilimu epulasitiki esobala inemisebenzi eminingi, kusukela ekuvikeleni umkhiqizo nasekuthuthukiseni ukubonisa kuya ekufakeni izinto ezicwebezelayo nasekulondolozeni indawo. Ukuzivumelanisa nezimo kwayo kuvumela ukwenziwa ngezifiso maqondana nobukhulu, ukuqeda ubuso, nezidingo ezithile zokusebenza, okwenza kube yinto ebalulekile embonini yokupakisha, ukwakhiwa, ezolimo nezimpahla zabathengi.