Iingcango zomlilo ezinezixhobo ezahlukeneyo kunye nemisebenzi inamaxabiso ahlukeneyo, kuxhomekeke kwiimfuno. Umsebenzi obaluleke kakhulu weengcango zomlilo ngumlilo kunye nokusebenza kokushisa ukushisa, okwahlulahlulwe kwiintlobo ezintathu: A, B, kunye noC. Wamkelekile ukuba uqhagamshelane nathi.

umnyango wokhuseleko wentsimbi yobhedu,Ipleyiti yokukhaba yocango eqikelelwe ngumlilo,ucango lwentsimbi yesiko lokhuseleko, imvume yokhuseleko lwentsimbi,

umenzi wocango oluxhathisa umlilo, umnyango wokhuseleko wentsimbi,umnyango wokhuseleko wentsimbi yobhedu,Isixhobo somnyango wobungqina bomlilo,umnyango wokhuseleko lwentsimbi yesiko,Ubukhulu bomnyango obulinganiswe nomlilo,intsimbi yokhuseleko iingcango imvume,Ukusetyenziswa kocango olungxamisekileyo, umnyango onikwe umlilo ngemizuzu engama-90, umnyango wephaneli obhalwe phantsi,

iingcango zamaplanga ezingatshiyo,umnyango wokhuseleko wentsimbi yobhedu,Ukusetyenziswa kocango lokuphuma ngexesha likaxakeka, ucango olulinganiswe ngumlilo ul, indawo yokuhlala enocango lomlilo