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.