Ua ke cov kab nrig luv luv folding membrane lim rau cov khoom lim los ua ke ua lag luam thiab cov neeg siv hluav taws xob ashringic thiab cov siv hluav taws xob ashtic
Lub tuam txhab no tuaj yeem ua tau zoo kom tau raws li peb cov kev xav tau ntawm cov khoom muaj nuj nqis thiab lub sijhawm xa khoom, yog li peb ib txwm xaiv lawv thaum peb muaj cov kev yuav tsum tau ua.