A chovala chachitetezo chowunikirandi mtundu wa zovala zomwe zimapangidwira kuti ziwoneke bwino ndi chitetezo cha ogwira ntchito m'madera okhala ndi kuwala kochepa komwe kulipo kapena kuchuluka kwa magalimoto apansi. Chovalacho chimapangidwa kuchokera ku chinthu cha fulorosenti chomwe chimakhala chowala komanso chowoneka mosavuta masana, komanso chimakhala ndi zingwe zowunikira zomwe zimapangidwira kuti zizitha kuwala ndikuziwonetsa komwe zimayambira usiku.
Ogwira ntchito yomanga, ogwira ntchito yoyang'anira magalimoto, ndi ogwira ntchito mwadzidzidzi nthawi zambiri amavalachovala chonyezimira chapamwamba chowoneka bwinochifukwa ali ndi kufunikira kokulirapo kuti awonedwe mosavuta ndi madalaivala ndi antchito ena m'malo osiyanasiyana owunikira. Ogwira ntchito amawonekera mosavuta kuchokera patali kwambiri akavala vest, zomwe zimathandiza kuchepetsa mwayi wa ngozi ndi kuvulala komwe kumachitika.
Ogwira ntchito yomanga, ogwira ntchito yoyang'anira magalimoto, ndi ogwira ntchito mwadzidzidzi nthawi zambiri amavalachovala chonyezimira chapamwamba chowoneka bwinochifukwa ali ndi kufunikira kokulirapo kuti awonedwe mosavuta ndi madalaivala ndi antchito ena m'malo osiyanasiyana owunikira. Ogwira ntchito amawonekera mosavuta kuchokera patali kwambiri akavala vest, zomwe zimathandiza kuchepetsa mwayi wa ngozi ndi kuvulala komwe kumachitika.
