Umsebenzi omkhulu wokukhiya umnyango womlilo uphikisana nokweba. Nakuba imelene nobugebengu, ingaphinda ingene futhi iphume ngokukhululeka, inikeze ukuvikelwa kokuphepha okungaphazanyiswa kwamahora angu-24. Esinye isici esiyinhloko sokukhiya umnyango womlilo ukuthi isikhiye somnyango singavulwa kuphela ngesandla somsebenzisi noma iyiphi ingxenye yomzimba ephusha (ukucindezela) i-lever yokuvula.