Thaum qhov kub maj mam nce ntxiv, lub hnub lub teeb ultraviolet kuj muaj zog dua. Muaj ntau tus ntxhais hnav tshuaj pleev thaiv hnub los tiv thaiv lawv daim tawv nqaij thaum tawm mus. Txawm li cas los xij, ntau tus neeg tseem muaj teeb meem siv tshuaj pleev thaiv hnub. Kev siv tshuaj pleev thaiv hnub tsis raug tuaj yeem ua rau tshuaj pleev thaiv hnub tsis zoo thiab txawm tias muaj teeb meem ntawm daim tawv nqaij.
Yog li ntawd, txoj kev siv tshuaj pleev thaiv hnub kom raug yog dab tsi?
1. Tom qab siv cov khoom siv rau kev saib xyuas tawv nqaij yooj yim, thov pleev tshuaj pleev thaiv hnub. Yuav tsum nco ntsoov tias tom qab ntxuav lub ntsej muag, koj tsis tuaj yeem pleev tshuaj pleev thaiv hnub ncaj qha. Koj yuav tsum pleev tshuaj pleev thaiv hnub tom qab ntxuav daim tawv nqaij thiab siv cov khoom siv rau kev saib xyuas tawv nqaij kom zaws thiab nqus tau. Thov kom sib npaug, tsis txhob ntau dhau, thiab thov kom sib npaug ua voj voog.
2. Tom qab siv tshuaj pleev thaiv hnub lawm, yuav tsum tos kom daim tawv nqaij qhuav ua ntej tawm mus. Tom qab siv tshuaj pleev thaiv hnub rau ntawm lub ntsej muag lawm, nws yuav tsis pib ua haujlwm tam sim ntawd, tshwj xeeb tshaj yog thaum lub caij ntuj sov uas muaj cov teeb ultraviolet loj heev. Feem ntau, yuav tsum tos ntau tshaj 20 feeb tom qab siv tshuaj pleev thaiv hnub kom paub tseeb tias tshuaj pleev thaiv hnub ua haujlwm zoo.
Lub sijhawm tshaj tawm: Lub Rau Hli-05-2023
