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Nres khau tsis muaj suab nrov, tsis muaj kev vibration
15 xyoo nres qhov chaw tsim khoom
Cov neeg siv khoom thoob ntiaj teb, ntau yam.Qeb ntau dua 2500 cov ntaub ntawv siv
Tsom ntsoov rau cov pawm nres thiab khau, zoo taw qhia
Paub txog lub tshuab nres tsheb, nres nres kev txhim kho kom zoo dua, kev txhim kho sai ntawm cov ntaub ntawv tshiab.
Kev tswj tus nqi zoo heev
Lub sijhawm ua haujlwm ruaj khov thiab luv luv nrog rau kev pabcuam zoo tom qab muag
Pab neeg tshaj lij thiab mob siab rau kev muag khoom rau kev sib txuas lus zoo
Txaus siab ua raws li cov neeg siv khoom tshwj xeeb
Ua kom txhim kho thiab standardizing peb cov txheej txheem
