1. Thaum kev yuav khoom, los ntawm cov kev cai, ua tib zoo saib seb daim ntawv lo rau ntawm cov khoom ntim sab nraud yog qhov tseeb, txawm tias nws suav nrog lub npe thiab chaw nyob ntawm cov chaw tsim khoom, cov lus qhia tshwj xeeb thiab cov qauv, cov khoom lag luam, cov qauv siv tus lej, cov lus qhia khoom, hnub ntau lawm, pom zoo siv lub sij hawm, thiab lwm yam ntaub ntawv, los xyuas cov tsos ntawm stains, deformations cuam tshuam rau kev siv, thiab lwm yam.
2. Thaum yuav khoom, koj yuav tsum tau ua tib zoo xyuas lub hnub nyoog, kev siv cov qauv thiab cov khoom ntawm cov khoom, thiab xaiv cov khoom tsim nyog rau cov menyuam lub qhov ncauj qhov ntswg raws li qhov xav tau ntawm kev siv. Vim yog qhov sib txawv ntawm cov menyuam yaus txoj kev loj hlob thiab kev loj hlob, cov niam txiv yuav tsum tsis tsuas yog xa mus rau lub hnub nyoog ntawm cov menyuam lub qhov ncauj qhov ntswg thaum yuav khoom, tab sis kuj tseem muab cov menyuam yaus qhov kev sim ua rau xaiv cov qhov ncauj qhov ntswg uas phim qhov loj ntawm lub ntsej muag. Nws yog ib nqi sau cia hais tias cov me nyuam lub qhov ncauj qhov ntswg tsis haum rau cov me nyuam mos thiab cov me nyuam yaus vim muaj kev pheej hmoo ntawm suffocation.
3. Cov menyuam yaus lub qhov ncauj qhov ntswg yuav tsum tau yuav nrog lub ntsej muag du, tsis muaj cov lus qhia ntse thiab cov npoo, tsis muaj qhov me me uas tshem tau, thiab tsis muaj ntxhiab tsw ntxhiab. Hais txog cov style, nws raug nquahu kom yuav lub ntsej muag lub ntsej muag, sim xaiv cov khoom lag luam nrog cov txheej txheem dawb ntawm lub qhov ncauj thiab qhov ntswg, thiab lub qhov ncauj qhov ntswg yuav tsum haum rau lub ntsej muag.
