Peb cov khoom tau lees paub thiab txhim khu kev qha los ntawm cov neeg siv thiab yuav ua tiav cov nyiaj txiag pheej yig thiab kev xav tau rau dai lub pob ntseg Kas Fes Hnab,MIS HMOOV SPEAT NTIM COV KHOOM, Thaum Tshav Kub Kub Xovxwm Sealer, Pib Pib Tshuab,Cov Khoom Siv Hnab Kas FesCov. Peb kuj pheej niaj hnub nrhiav tsim kev sib raug zoo nrog cov xa khoom tshiab los muab cov khoom siv tshiab thiab ntse daws cov neeg siv khoom lag luam. Cov khoom yuav muab rau thoob plaws ntiaj teb, xws li Tebchaws Europe, Tebchaws Asmeskas, Banganta, Atlanta.Pe muaj 8 xyoo kev ua lag luam nrog cov neeg siv thoob plaws ntiaj teb. Peb cov neeg tau muab faib rau hauv North America, Africa thiab Sab Hnub Tuaj Europe. Peb tuaj yeem muab cov khoom lag luam zoo nrog tus nqi sib tw heev.