Ibhodi lesekhethi yangaphakathi yesibani sasebusuku onogwaja ifakwe isimelaphi esizwelayo somsindo.Lapho abantu beshaya izandla, kuzokhanya, futhi lapho beshaya izandla, kuyaphuma.Ngakho-ke, ukukhanya ebusuku onogwaja kulungele ukusetshenziswa emakamelweni okulala, emakamelweni ezingane, emakamelweni okuhlala namanye amakamelo, ukuze abantu bakhanyise ukukhanya ebumnyameni noma kwezinye izindawo ezimnyama ngompompi wezandla zabo.Ingabuye ibekwe eceleni kombhede.Uma uvuka ebusuku, izokhanyisa ngompompi, okungaxazulula inkinga yokuthi abantu bangayitholi iswishi yokukhanyisa phakathi kwamabili.Kuyasiza futhi kuyasebenziseka.Kunamazinga amathathu emithombo yokukhanya.Umthombo wokukhanya weleveli yokuqala ulungele ukukuphelezela lapho uyolala, futhi umthombo wokukhanya awucwayizi.Umthombo wokukhanya wezinga lesibili ulungele ukulungisa impushana yobisi, kanti umthombo wokukhanya wezinga lesithathu ulungele ukushintsha amanabukeni ebusuku.
