Muaj qee lub sijhawm koj xav tau tshem cov zas ntawm lub qhov rais tsheb. Tab sis yog tias tshem tawm tsis raug, koj tuaj yeem ua kev puas tsuaj sab hauv ntawm cov neeg caij tsheb thiab qhov rooj, thiab tseem txheej txheej ntawm cov kua nplaum tseem, uas yog qhov teeb meem tsis zoo rau ntxuav. Xaiv tsuas yog txoj kev muaj pov thawj ntawm kev tshem tinting.
Nws yog qhov tsim nyog
- - txiav plaub hau;
- - iav nqus tsev vacuum;
- - ib daim rag;
- - txhuam;
- - ntxhua khaub ncaws;
- - hniav;
- - ib rab riam ntse.
Cov Lus Qhia
Kauj ruam 1
Ua cua sov rau zaj duab xis nrog lub tshuab ziab plaub hau. Qhov no yuav pab koj yooj yim tshem tawm zas txuas nrog nrog kua nplaum. Siv tus kws xaws plaub hau ua haujlwm, tab sis yog tias nws tsis yog ntawm txhais tes, tom qab ntawd ib txwm yuav ua. Hauv qhov no, koj yuav tsum tsis txhob siv qhov kub siab tshaj plaub caug degrees - txoj kev no koj tuaj yeem yaj zaj duab xis. Sim ua kom sov li zaj duab xis tusyees, maj mam xaiv nws nrog rab tawg thiab tshem tawm.
Kauj ruam 2
Ua kom cov plaub hau tshuab tawm ntawm cov yas, koj tsis tas yuav nias nws nruj nreem tiv thaiv cov iav, zoo li nws tuaj yeem ua kom puas lossis tawg. Yog tias txhua qhov ua tau ua tiav, tom qab tshem zaj duab xis, qhov tsawg kawg ntawm kua nplaum yuav nyob ntawm lub khob.
Kauj ruam 3
Siv chais plaub, ua tib zoo txiav tawm cov txheej uas seem ntawm kua nplaum, thaum ceev faj tsis txhob khawb qhov saum npoo ntawm iav. Koj tseem tuaj yeem sim so cov kua nplaum txheej nrog xab npum. Cov tshuaj muaj roj yog cov tshuaj zoo tag nrho, cov tshuaj acetone tuaj yeem siv. Tab sis nco ntsoov tias cov acetone muaj qhov tsw zoo thiab tsis hnov tsw, thiab yog tias nws mus rau lwm qhov ntawm lub tsheb, nws yuav paug. Thaum siv cov kuab tshuaj, kev saib xyuas tshwj xeeb thiab saib xyuas yog xav tau.
Kauj ruam 4
Siv cov tshuaj ntxuav thiab dej rau lub kua nplaum ntxiv thiab tos kom nws qhuav tag. Tom qab ntawv npog tag nrho saum npoo nrog npuas dej dua thiab so tawm cov nplaum nrog cov khoom “ntxhib”. So daim iav qhuav nrog daim ntaub huv.
