Ngoba ukufa okuhlukile kokubumba kufakiwe emasimini amaningi, kanti nobuchwepheshe bokwenza ubuchwepheshe bokufelwa kobuchwepheshe buye futhi benza izinguquko ezithile kanye nentuthuko kule minyaka, kule ngxenye, imithetho eyingqayizivele yokuqamba yokufa okukhona ngokufingqiwe ifushaniswa.