Daim kab xev npog tau siv dav hauv lub neej txhua hnub. Raws li tib neeg xav tau daim kab xev dhau los thiab dav dua, kab xev rau ntau lub hom phiaj tau tshwm sim hauv khw. Hnub no kuv yuav coj koj los kawm txog daim npog ntsej muag. Yuav siv nws li cas!
1. Thaum siv daim kab xev npog, ua kom lub ntsej muag ua kom huv thiab qhuav, txwv tsis pub nws yuav cuam tshuam cov nplaum ntawm daim kab xev.
2. Muaj qee qhov kev quab yuam tuaj yeem siv thaum siv, yog li daim kab xev npog thiab cov ntaub ntawv tuaj yeem ua ke nrog cov txiaj ntsig zoo dua;
3. Siv daim kab xev kom muaj qhov nruj, txwv tsis pub nws yuav tsis lo rau nws yooj yim;
4. Vim tias cov yam ntxwv sib txawv ntawm txhua daim npog ntsej muag, qee qhov teeb meem tsis tau pom dua tuaj yeem tshwm sim tom qab sib xyaw, yog li tsis txhob siv daim npog ntsej muag ua ke;
5. Tom qab siv, tev daim kab xev npog kom sai li sai tau kom tsis txhob muaj cov kua nplaum uas seem.
a Daim kab xev npog yog ua los ntawm cov nplaum tshwj xeeb tua kom muab viscosity, uas tiv taus qhov kub thiab yuav tsis tawm ib qho cim ntawm qhov saum npoo ntawm kab lus tom qab siv;
b. Qhov kev ntxhib los mos ntawm daim kab xev nws tus kheej yog qhov nyuaj, yog li peb tuaj yeem khoov nws ntawm qhov xav tau yam tsis tau tawg thaum siv nws;
c. Nws yog qhov yooj yim thiab siv tau. Thaum cov kab xev ntev txaus lawm, nws tuaj yeem raug txiav tawm los ntawm kev rhuav nws los ntawm txhais tes, tsis muaj txiab lossis cov hniav.
Daim kab xev npog tuaj yeem siv rau cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob, tseem tuaj yeem siv nrog ntawv kraft, siv rau xim txau txau tshuab lossis siv ntug xim, tseem tuaj yeem siv rau txau hmoov, tiv thaiv hluav taws xob.
1. Daim kab xev npog yog ua los ntawm cov nplaum tshwj xeeb tua kom muab viscosity, uas tiv taus qhov kub thiab yuav tsis tawm ib qho cim ntawm qhov saum npoo ntawm kab lus tom qab siv;
2. Qhov kev ntxhib los mos ntawm daim kab xev nws tus kheej yog qhov nyuaj, thiab peb tuaj yeem khoov nws ntawm qhov xav tau yam tsis tau tawg thaum siv nws;
3. Yooj yim thiab siv tau, thaum cov kab xev ntev txaus lawm, nws tuaj yeem raug txiav tawm tsuas yog los ntawm tearing nws los ntawm txhais tes;
4. Ua kom nrawm nrawm: Thaum siv daim kab xev npog, nws pom tias sab hauv ntawm daim kab xev tsis nplaum txhua. Thaum nws tau ntsib nrog ib yam khoom, nws ua rau nws, zam kev puas tsuaj rau peb txhais tes.
