Ikadiri isobanutse, lens ibonerana, igishushanyo cya ergonomique, yorohewe no kwambara umwenda wibirahure byubwoko, impande zombi, icyerekezo cyerekana amashusho, igishushanyo mbonera cyerekana amaguru ku mpande zombi za firime ikingira, ikariso yo gukingira ijisho mubice byose, kurinda impande zose hamwe na kare kurinda, bitarimo ibikoresho byicyuma, icyerekezo cyiza cyerekezo, icyerekezo, kwirinda UV ultraviolet kwirinda, kwambara, mugihe hanze yikirahure cyo gukosora gishobora gukoreshwa nko gusura ibirahure.