Amanye amaloli omlilo wemishini noma amaloli omlilo emisebenzi ekhethekile afakwe ibhodi lomsila eliphakanyiswayo ngemuva, elilungele ukulayishwa nokulayishwa kwemishini emikhulu yomlilo.Izimboni lapho amabhodi omsila asetshenziswa kakhulu yizinto zokuhamba, ezokuthutha, ukulethwa kwe-express kanye neminye imikhakha;Ngaphezu kwethani elingu-1, kulula ukusebenza, lilungele ukulayisha ngokushesha kanye nokulayishwa kwemishini emikhulu njengamaphampu ezandla namajeneretha.