Isikhala esenziwe ngokwezifiso siyafa sinokucaciswa nokuma okuhlukile, okunobuchwepheshe be-multi-cavity kanye ne-co-extrusion yamakhava angaphezulu nangaphansi, ahlinzeka ngemishini yokubhoboza ehambisanayo futhi ukubhoboza kuyafa. Ukusebenza kahle kwethu kokukhiqiza isikhunta kusebenza kahle futhi kuzinzile, kufanelekile emigqeni yokukhiqiza ehlukene.