Txhawm rau muab cov kev paub zoo tshaj plaws, peb siv thev naus laus zis zoo li cov ncuav qab zib los khaws thiab / lossis cov ntaub ntawv nkag mus tau. Kev pom zoo rau cov thev naus laus zis yuav ua rau peb ua cov ntaub ntawv xws li kev coj tus cwj pwm lossis ID nkag mus rau ntawm lub xaib no. Tsis pom zoo lossis rho tawm kev tso cai, tuaj yeem cuam tshuam qee yam cuam tshuam qee yam thiab ua haujlwm.