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Ob Chav Ncej Paddle Tov Khoom
Ob chav ncej paddle tov khoom yog hu ua tsis muaj lub ntiajteb txawj nqus tov khoom, ib yam nkaus thiab;nws yog dav siv nyob rau hauv kev sib tov hmoov thiab hmoov, granular thiab granular, granular thiab hmoov, thiab ob peb kua;nws yog siv rau zaub mov, tshuaj, tshuaj tua kab, khoom noj, thiab roj teeb thiab lwm yam.