1. Kev Txhim Kho Kev Ua Haujlwm Zoo: Siv cov pwm tsav tsheb hauv kev tsim khoom ua kom muaj txiaj ntsig thiab nrawm ntawm cov kab ntau lawm, txuag nqi zog thiab kev siv peev txheej.
2. Txo cov nqi tsim khoom: Cov pwm tsav tsheb tau tsim thiab tsim tshwj xeeb rau cov khoom lag luam, tso cai rau kev tsim cov khoom nrawm dua thiab siab dua - cov khoom zoo piv rau lwm txoj kev, yog li txo cov nqi tsim khoom.
3. Kev Txhim Kho Cov Khoom Zoo: Lub siab precision thiab rov ua haujlwm ntawm lub tsheb pwm tuaj yeem ua rau cov khoom siv tau zoo dua, txhim kho cov khoom zoo thiab cov neeg siv khoom txaus siab.