Ukongeza kumsebenzi weengcango eziqhelekileyo, iingcango zomlilo nazo zinomsebenzi wokuthintela ukusasazeka komlilo kunye nomsi, onokuthintela ukusasazeka komlilo ngexesha elithile kwaye uqinisekise ukukhutshwa kwabantu. Ikhowudi yangoku yokukhusela umlilo ayigunyazisi indlela yokuvula kunye nokuvala iingcango zomlilo, ezinokuthi zikhethwe kwaye zinqunywe ngokubanzi ngokuqwalasela ixesha lokusetyenziswa kunye neemfuno zokulawula zabasebenzisi.