Cov ntoo tuab tuab ntoo qaij txee ob txhais ceg tau tsim nrog lub kaum sab xis tsim nyog raws li cov yam ntxwv ntawm lub txee rau khoom, uas ua rau muaj peev xwm ua kom cov kabmob. Cov ntoo qhib dawb los ntawm Tebchaws Meskas muaj cov qauv zoo nkauj dua, cov ntawv nplua nuj zoo nkauj, cov xim sib txawv me me, thiab cov ntoo tiav lawm yog xim zoo nkauj thiab ntshiab. Tsis muaj ntau yam kev dai kom zoo nkauj thiab teeb meem, ntoo ntshiab cov ntoo tseem siv tau rau hauv cov khoom siv, thiab cov khoom dai xws li carved arcs tau txo qis hauv cov qauv. Cov kab yooj yim txhais tau qhov kev zoo nkauj ntawm kev yooj yim.