Iseti yeshawa yesikweri yemvula enentloko yeshawa ehlengahlengiswayo, isiphatho seshawa esisebenzayo esi-3, isibiyeli seshawari ehlengahlengiswayo kunye ne-1.5meter eguquguqukayo yombhobho kwintsimbi engenasici esimnyama esigqibezelayo kunye ne-0.5meter eguquguqukayo yombhobho ukuqhagamshelwa kwimpompo.