isivumelwano semulch esilunguvesine
Ifilimu yezilimi elibhizinisi elikhulu lokushayela kuhlanganisa ukufakamani kokuthi ngezihlobo ezinhloko zayo nokusebenza okunqume. Lolu filimi olungelwe ngokubalulekile luhlala ngenkinga engaphezulu, ngenkinga yezilimi ezintathu eside esinethemba phakathi komhlaba kunye nomlayithi. Inkinga yesilimi sesizekelisele sithembe isithombe, esifundze amakhulu angaphandle kumahluko wokusukela kanye nokuphucula izimbali. Inkinga yomlayithi wesiselela iindlela ezikhoyo zokuhlola umthombo wosondulo nokususa amabhobho. Ifilimi yezilimi yiwenziwe ngamagama amahhuli asebenzayo polyethylene, inhengeti yokulandelana ngezinye izinkinga zesikhatsi singaphezulu ngoba ikhono lokusebenza kwakhiwo kuzo kwindawo yokugrowa. Ukusuka kwefilimi kukhona ngokwesentene se-0.8 kwe-1.2 mil, ukuhlala kwiseveni okuningi ngaphandle kokubonakala kwekhombisityenti. Ukusebenziswa wakhiwa ngokwemibuzo wezindawo eziningi zokushayela, kwiindlela ezincinci ezikhethekile kanye nezindawo ezincinci ezinikezela imigodi. Ifilimi ifanele ngokukuthi kuhlanganisa umthombo omphambili wesondulo, ukususa ukubuya kwezimbhalo, kunye nokuba kuhloniphe indawo yokugrowa okuningi ngaphandle kokubuyela.