Isistimu yezimpawu zezakhiwo zangaphandle iklanyelwe ukunikeza ukumelwa okubonakalayo komkhiqizo wakho, kuyilapho isiza amakhasimende ukuthi azulazule ithrafikhi endaweni yangaphandle yebhizinisi lakho.Izinhlobo zezimpawu zifaka Izimpawu Zezinhlamvu Eziphakama Kakhulu, Izimpawu Zesikhumbuzo, Izimpawu ze-Facade, Izimpawu Zezinqola Neziqondiso Zokupaka.