Ibyiza byihariye by'ibikoresho bya nanoShyira ku mwenda wo hasi wa mask, ushobora kugira uruhare mu guhumeka no kutanyerera, kugira ngo uruhu rushobore kongera ubushobozi bwo kwinjiza umwuka mu buryo butunguranye, bityo byongere imikorere y'ibice by'imirire ku rugero runaka.