Vim li cas cov tsheb thauj khoom hluav taws xob thiaj li kim?

Tus nqi thev naus laus zis yog siab thiab tus nqi sib koom ua ke yog siab.
1. Cov nqi thev naus laus zis siab: cov tsheb thauj khoom hluav taws xob siv hluav taws xob siv tshuab hluav taws xob, uas yuav tsum muaj kev tshawb fawb ntxiv thiab kev tsim kho thiab kev tsim kho tshiab. Tus nqi ntawm kev tsim technology yog siab, yog li cov khoom lag luam tus nqi kuj siab.
2. Cov nqi sib koom ua ke siab: Tus nqi tsim khoom ntawm cov tsheb thauj khoom hluav taws xob yog siab. Cov yam tseem ceeb muaj xws li cov nqi yuav khoom ntawm cov khoom muaj nqi siab xws li cov roj teeb, lub cev muaj zog, thiab cov tshuab tswj, nrog rau cov nqi zog ntawm cov kab ntau lawm thiab cov neeg ua haujlwm.