Xaiv cov haujlwm tsim nyog tswj hwm yuav tsum txiav txim siab ob peb qhov tseem ceeb, muaj kev yoog taus, kev teeb tsa thiab kev txij nkawm, thiab hom thiab qauv.
Ua haujlwm kom ua tau
Kev daws teeb meem: Xaiv cov kev daws teeb meem tsim nyog raws li cov xwm txheej kev thov tshwj xeeb. Cov kev daws teeb meem siab tuaj yeem muab cov duab ntshiab, tab sis yuav nce nqi ntxiv. Piv txwv li, rau cov xwm txheej uas yuav tsum tau ua cov duab zoo, xws li tshuab pom tau cov duab thiab kev kho mob, cov kev kho mob yuav tsum tau xaiv.
Ci ntsa iab thiab sib piv: Hauv cov teeb meem kev lag luam uas yuav tsum tau yoog raws ntau yam teeb pom kev zoo, yog li kev sib piv siab dua yog pom tias pom meej meej nyob rau hauv cov teeb pom kev sib txawv. Cov xim xim: Rau cov xwm txheej uas yuav tsum muaj cov xim xim, xws li tsim qauv xim thiab cov duab ua yeeb yam, cov xim muaj zog yog tau raug xaiv. Cov haujlwm tshwj xeeb: xws li anti-reflection, willedproof, waterproof thiab lwm yam ntxwv, xaiv raws li kev xav tau tshwj xeeb.