Cov chaw ua si sab hauv tsev yog ib qho ntawm Vasia cov khoom tseem ceeb. Peb muaj 18 xyoo dhau los hauv kev tsim cov chaw ua si sab hauv tsev. Peb qhov chaw ua si sab hauv tsev yog dav siv rau tsev noj mov / tsev loj / tsev kawm ntawv / tsev neeg thiab lwm yam. Peb muaj pab pawg neeg tshawb fawb paub tab, pab pawg tsim tshiab, pab pawg ua haujlwm zoo nrog rau kev pabcuam tomqab muag, uas ua rau Vasia ua koj tus neeg xa khoom zoo tshaj plaws.
