Dab tsi yog yam uas cuam tshuam rau lub neej kev pabcuam ntawm paver?

Kev siv ntau zaus: Kev siv ntau zaus yuav ua rau kev hnav thiab kev laus ntawm cov khoom siv.
Kev ua haujlwm ib puag ncig: Ib puag ncig kev tsim kho hnyav, xws li kub, av noo, plua plav, thiab lwm yam, tuaj yeem ua rau cov khoom siv cua sov puas.
Kev Kho Mob: Kev saib xyuas tsis tu ncua, kev saib xyuas thiab hloov lub sijhawm ntawm cov khoom hnav tuaj yeem ua haujlwm tau zoo.
Cov khoom siv zoo: Cov khoom siv cua kub zoo yog qhov zoo dua hauv cov txheej txheem tsim khoom thiab xaiv cov khoom siv, thiab feem ntau muaj lub neej ua haujlwm ntev dua.
Degree ntawm kev khiav hauj lwm specification: Txawm hais tias tus neeg teb xov tooj siv cov khoom siv raws li cov txheej txheem kev khiav hauj lwm raug yuav cuam tshuam rau nws lub neej.