Sankhani nambala, popeza nambalayo iyenera kukhala nambala yamagulu omwe mukufuna kupanga. Kenako auzeni anthu kuti ayambe kuwerengera mobwerezabwereza, mpaka anthu atha. Mwachitsanzo, anthu 20 akufuna kugawidwa m’magulu asanu, ndipo munthu aliyense awerenge kuyambira 1 mpaka 5, kenaka abwereze mobwerezabwereza (ka 4) mpaka aliyense atumizidwe m’timu!