Ithuluzi lokuphakamisa insiza lemanuwali eligxilile lingasetshenziswa ukukhipha indawo yokubeka okokuqandisa, kuqedwe ukulimala okungaba khona kwezinga lokushisa eliphansi kubasebenzi.Lokhu kuqinisekisa ukuthi amasampula avikelekile, abasebenzi baphephe kakhudlwana, futhi ukusebenza konga abasebenzi.