3D miv qhov muag kub muag duab kho kom zoo nkauj tus kheej nplaum txias lamination zaj duab xis
3D miv qhov muag kub muag duab kho kom zoo nkauj tus kheej nplaum txias lamination zaj duab xis
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| Nta: 1. Tsis muaj dej tsis nkag, kua qaub thiab alkali tsis kam, hluav taws tsis kam, 2. Tiv thaiv kev xeb, tiv thaiv UV, khawb tsis kam, tiv thaiv daim duab los ntawm kev ua qias tuaj, 3. Zoo tagnrho rau kev siv sab hauv thiab sab nraud ntawm cov chaw tiaj tus. | ||||||||||||||
| Daim Ntawv Thov: Tsheb npav, / tsheb ciav hlau hauv av / pem teb / qhov rai / kho kom zoo nkauj thiab lwm yam. | ||||||||||||||
Sau koj cov lus ntawm no thiab xa tuaj rau peb











