·Ibintu byakuwe mu mabokoihemayakozwe kugira ngo ikoreshwe mu gukingira izuba inyuma
ku madirishya no ku nkuta z'amarido y'ibirahure.
·Ifite uburyo bwo guhindura uburyo bwo kuzunguruka, ifasha mu kwanga ubushyuhe bw'izuba mu gihe
kubungabunga umwuka uhuza ibidukikije byo imbere n'ibyo hanze.
·Ukuboko gushobora gufungurwa no gufungwa kuri 5°~175°.
· Iboneka mu bunini butandukanye n'amabara menshi.
