Raws li Tuam Tshoj ua tau ntim tshuab chaw tsim tshuaj paus, OYANAN MACHINERY muaj cov khw muag khoom uas tsim los ua kom tau raws li kev cog qoob loo rau ib puag ncig kev phooj ywg. Peb cov kev daws teeb meem rau kev ua tau zoo, zoo thiab muaj kev xav kom paub tseeb tias cov neeg siv khoom tuaj yeem tsim cov hnab ntim khoom uas muaj ob qho tib si zoo nkauj thiab ua tau.