Tshuab Sau Cov Tshuab

Lub raj filling tshuab yog hom khoom siv uas siv los sau cov hlab uas siv cov khoom lag luam nrog cov khoom tshwj xeeb, xws li tshuaj txhuam hniav, tshuaj pleev ib ce, lossis cov tshuaj pleev ib yam. Lub raj yog feem ntau ua los ntawm cov yas lossis txhuas thiab tuaj yeem sib txawv thiab cov duab sib txawv thiab cov duab. Cov tshuab no tuaj yeem tsim los sau cov hlab nrog sib txawv ntawm cov khoom lag luam, xws li cream, gels, pastes, thiab kua. Lawv kuj tseem tuaj yeem nruab nrog cov nta xws li tsis siv neeg raj sealing, coding, thiab txiav.