Cov qauv hlau yog tsim rau cov tsev lag luam thiab cov chaw pej xeem.Piv txwv li, cov khw muag khoom, tsev so, tsev kho mob, tsev kawm ntawv, cov chaw ua yeeb yam, cov chaw ua si, thiab lwm yam. Cov vaj tse thiab cov chaw no yuav tsum muaj lub ntsej muag niaj hnub, muaj kev ruaj khov, muaj kev nyab xeeb thiab kev ua haujlwm zoo, thiab cov qauv hlau tuaj yeem muab cov qauv siv tau yooj yim thiab muaj ntau haiv neeg. ua tau raws li qhov xav tau ntawm kev ua haujlwm thiab zoo nkauj.