Cement yog qhov tseem ceeb heev rau kev kawm cov lus uas muaj nyob hauv tsev, lub rooj, thiab lub rooj. Nws tau ua los ntawm lub tsev ua cement. Cov tsev no txuas cov khoom sib different thiab sau nws kom muaj cement. Qhov kev ua no yog qhov txaus siab, tab sis nws pab ua cov khoom uas muaj peev xwm thiab yuav tsum tau siv rau kev kawm. Cov thawj tswv uas muaj Insun yog qhov tswv uas ua cement zoo. Lawv xav kom cov khoom uas lawv ua tau sib npog rau kev xav tau ntawm cov neeg kawm thiab cov neeg kawm. Cov tsev ua cement muaj qhov tseem ceeb rau kev kawm, thiab kev paub yuav nrhiav cov tsev no yog qhov tseem ceeb rau cov neeg xav tau cement ntau.