Electric nqaj cia
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Beam cia, ntaub yob cia
Cov khoom siv feem ntau yog siv los khaws ntau yam warp beam, pob warp beam thiab ntaub yob. Haum rau ntau yam textile factories, yooj yim cia, ua haujlwm yooj yim, txuag lub sijhawm thiab chaw