Ukubonisa umlingani
I-roll, kuyinto isiqinisekiso esibalulekile sokuqoqa isitsha esikhishwe, izinhlobo eziningi, inani elikhulu, kungaba nokusiza isitsha esikhishwe kanye nezinsiza zomthamo wemithombo. Kuyakhiwa yizinkampani zokugcina zonke zokugcina isitsha esikhishwe yonke isikhathi.35%, kuyakhiwa70%okuphansi kwezinyathelo, ngakho-ke ubunzima bokugcina isiqiniseko esikhishwe kuyakhiwa kakhulu. Kukhona abaningi abakhona abangakhiwa ngezinto zezihlathi kanye nezinto zeziplastiki.