Xaiv cov ntaub ntawv
- Burlap (loj nyob ntawm qhov ntau ntawm cov khoom lag luam)
- Lo cov khoom (cov hlaws qub, cov plaub hau, paj yeeb yaj kiab, Kapron nruj, thiab lwm yam)
- Yuam kom paub meej (ob lub qhov muag) - koj tuaj yeem ua koj tus kheej, tab sis koj tuaj yeem yuav npaj tiav.
- Wat lossis singrytepon.
Cov txheej txheem kev siv
ib tug. Los ntawm cov hlua khi kom txo qis hauv qab qhov qis dua, sau cov lus sib xws thiab sib sau pob, khi lub pob caus.
2.K ntawm mus rau xaws hlaws dai rau ntawm kab nuv ntses lossis lwm yam kom zoo nkauj.
3. Muab ib lub pob zeb khi, muab lub pob nyob hauv nruab nrab thiab khi cov xov muaj zog nyob rau hauv daim ntawv ntawm cov khoom siv.
4. Qhov saum toj kawg nkaus ntawm cov pob zeb tawg.
5. Los ntawm burlap, coagulation txoj kev mus rau hauv lub raj, ua cov tes thiab txhais ceg.
6. Xaws cov ntaubntawv muaj kev paub meej.
7.Cov rau cov kua nplaum "lub sijhawm" ob lub qhov muag, thiab tom qab ntawd .... Rooj plaub rau koj kev npau suav.
