Ceramic tableware muaj ntau hom, muag muag thiab du, ci xim thiab yooj yim los ntxuav, thiab yog thawj qhov kev xaiv rau tsev neeg feem ntau yuav khoom tableware. Txawm li cas los xij, cov xim glaze nyob rau saum npoo ntawm cov ceramic yuav dhau los ua kev noj qab haus huv. Lead, mercury, radium, cadmium...
Nyeem ntxiv