Lub txee lub neej ntawm naj hoom yog dab tsi?
Ntau tus neeg ntseeg tias cov tshuaj tsw qab, zoo li tshuaj pleev ib ce, muaj lub neej txee ruaj khov. Txawm li cas los xij, tsis yog txhua tus perfumes lwj tib lub sijhawm. Feem ntau, cov tshuaj tsw qab uas tsis tau qhib tuaj yeem kav ntev li 3 mus rau 5 xyoos, thiab qee qhov zoo - naj hoom zoo, yog khaws cia zoo, tuaj yeem kav ntev dua. Tom qab qhib, vim nquag raug huab cua, cov tshuaj tsw qab yuav maj mam hloov. Nws raug nquahu kom siv nws li ntawm 2 mus rau 3 xyoos los tuav nws cov ntxhiab tsw zoo.
Qhov tseem ceeb cuam tshuam rau lub neej ntawm naj hoom yog tsis ntev npaum li cas nws tau khaws cia, tab sis yuav khaws cia li cas. Yog tias khaws cia rau hauv qhov kub thiab txias, tshav ntuj ncaj qha, lossis qhov chaw ntub dej rau lub sijhawm ntev, cov khoom xyaw tshuaj tsw qab thiab cawv yuav oxidize sai, ua rau cov ntxhiab tsw ploj lossis txawm tsim cov ntxhiab tsw. Yog li ntawd, nws yog qhov zoo tshaj plaws los khaws cov tshuaj tsw qab nyob rau hauv qhov chaw txias, qhuav, thiab tsaus ntuj, txo qis qis qis thiab qhib lub sijhawm ntev.
Koj tuaj yeem txiav txim siab seb tus naj hoom puas tseem siv tau los ntawm kev soj ntsuam nws cov tsos thiab tsw. Yog tias koj pom qhov tsaus ntuj ntawm cov kua xim, cloudiness, lossis sedimentation, lossis yog tias cov ntxhiab tsw txawv ntawm thaum koj thawj zaug yuav nws -nrog cov ntawv sau siab tshaj plaws thiab tsis tshua pom cov ntawv nruab nrab thiab cov ntawv hauv paus- ces cov naj hoom tau hloov. Hauv qhov xwm txheej no, txawm tias nws tseem tuaj yeem txau, nws yog qhov nyuaj rau kev coj tawm cov khaubncaws sab nraud povtseg.
Yog tias koj muaj ntau yam tshuaj tsw qab hauv tsev, koj tuaj yeem siv lawv sib hloov raws li lawv lub sijhawm qhib kom tsis txhob tawm hauv ib lub raj mis ntev dhau. Tom qab siv txhua zaus, ceev lub hau kom sai thiab tsis txhob khaws cia rau hauv ib puag ncig uas muaj qhov kub thiab txias hloov pauv, xws li hauv tsheb lossis chav dej. Nrog rau kev khaws cia kom zoo, feem ntau cov naj hoom tuaj yeem tswj hwm lawv qhov zoo rau lub sijhawm ntev, tso cai rau koj kom hnov tsw yuav luag tus ntxhiab tsw qab txhua zaus koj siv.