Cov yam ntxwv ua haujlwm
1. pheej yig dua thiab yooj yim rau nruab dua li lwm cov ntaub ntawv xws li cib, pob zeb lossis ntoo.
2. Xim, qauv ntau yam (feem ntau tuaj yeem ua raws li cov neeg siv khoom xav tau), kev xaiv dav.Hauv cov ntaub thaiv phab ntsa ua ke, nws tuaj yeem sib txawv nrog lwm cov iav lossis xim sib piv.
3. Xim glazed iav tuaj yeem ntsia tau rau hauv cov qauv txhawb nqa.
4. Tsis muaj qhov nqus, tsis muaj qhov nkag thiab yooj yim los ntxuav.
5 xim glaze nrog iav khoom inorganic xim glaze, tsis txhob ploj, tsis txhob tev tawm, yog li tus thawj lub suab thiab lub tsev lub neej kom zoo ib yam.
6 xim glaze yog ib qho yooj yim los lees txais cov nplaum nplaum uas siv los cais lub xub pwg nyom.
7. Lub glaze tuaj yeem nqus tau thiab muaj kev cuam tshuam ib feem ntawm lub hnub ci hluav taws xob, uas muaj cov nyhuv ntawm lub zog txuag.
8. tuaj yeem coated, laminated, hluavtaws hollow thiab lwm yam kev sib xyaw ua ke, kom tau txais lwm yam kev siv ntawm kev ua haujlwm tshwj xeeb.
9. Tom qab tempering, cov khoom kawg muaj cov khoom siv zoo, kev poob siab thiab thermal poob siab, thiab kev ua haujlwm siab dua.
10. Cov nyhuv shading yog pom tseeb.