Vim tias qhov nqis peev loj thiab qhov txawv ntawm kev tsim khoom tsim khoom nws tus kheej, qhov kev tsim kho vaj tsev txiav txim siab tias lub tuam txhab tswj hwm tus nqi raug cuam tshuam loj heev rau cov nqi num. Piv txwv li, hauv cov khoom tsim ntu theem, kev tsim kho kom zoo tsim muaj peev xwm txo qhov peev txheej ntau ntawm cov qauv tsim thiab txuag nqi kev tsim kho; cov khoom lag luam muag kev hloov tshiab tuaj yeem ua kom cov phiaj xwm muag khoom thiab txuag tau ntau ntawm kev muag khoom thiab nyiaj txiag. Kev tswj hwm tus nqi zoo tseem ceeb dua rau kev tsim kho tus nqi ntawm cov tuam txhab av.