Izinhlanganisela zephansi ezizilinganisayo zidlala indima ebalulekile embonini yokwakha nokuvuselela, zisebenza njengamathuluzi abalulekile okufeza izindawo ezibushelelezi nezilinganayo ezisikweleni ezisekelwe kukhonkolo kanye nesamente.

Ukushisa kwezakhiwo kuwumkhuba obalulekile oqhutshwa kokubili yizinto zemvelo kanye nezomnotho.