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1. Txhim kho qhov ci ci:
Kev kub siab ruaj khov thiab cov yam ntxwv tsis nplaum ua rau cov txheej txheem ci ua kom sai thiab sib npaug, yog li ua kom lub voj voog ntau lawm thiab txhim kho kev ua haujlwm ci.
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2. Txhim kho cov khoom zoo:Los ntawm kev tiv thaiv cov khoom noj los ntawm kev nplaum thiab deforming, kev ncaj ncees thiab kev zoo nkauj ntawm cov khoom ci yog ua kom ntseeg tau, thiab cov khoom zoo yog txhim kho.
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3. Txo cov nqi tu:Nws zoo heev hnav tsis kam ncua kev pab cuam lub neej, txo qhov zaus ntawm kev hloov thiab txij nkawm, thiab yog li txo cov nqi tu.
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4. Txhim khu kev ruaj ntseg ntau lawm:Kev ua haujlwm ruaj khov nyob rau hauv qhov kub thiab txias ib puag ncig muab kev nyab xeeb ntau lawm ib puag ncig rau kev ua ci.