(1) Rau cov xim dawb xim - dawb xeb ":
Yaug cov cheeb tsam cuam tshuam nrog dej
So cov zinc txheej qhuav nrog daim ntaub mos muag
Thov muab tshuaj txhuam ua los ntawm Talcum hmoov thiab Causic Soda siv txhuam
(2) rau cov neeg muaj hnub nyoog "dawb xeb":
Txhuam cov cheeb tsam corroded nrog cov tshuaj aqueous ntawm potassium acid tartrate thiab ammonium carbonate
So cov kab mob uas siv cov calcium carbonate-soaked daim txhuam cev
Yaug kom huv si nrog dej thiab qhuav
