Cov khoom siv hlau

1. Cov ntsiab lus txog tus nqi khoom siv: Tam sim no tus nqi ntawm cov khoom siv hlau thiab cov ntaub ntawv tau raug txo qis. Yog tias koj muaj daim phiaj xwm yuav khoom tshiab, thov hu rau peb. Kev npaj tuaj yeem ua ua ntej.

2. Lub Sijhawm Qhia: Xyoo Tshiab Suav yuav los txog. Cov neeg xa khoom thiab lub Hoobkas yuav kaw thaum nruab nrab lub hlis tom ntej. Yuav kom tau txais cov khoom raws sijhawm, tuaj yeem npaj ua ntej.

Kev txhim kho hauv tebchaws yog qhov tsis sib cais ntawm cov khoom siv hauv paus. Xws li: Cov yeeb nkab scaffolding thiab cov khoom siv scaffolding rau kev tsim tsev, tsev so, khw loj. Peb cov neeg siv khoom yuav cov yeeb nkab hlau rau kev tsim tsev. Thov saib cov duab tawm tswv yim hauv qab no.Kuj tseem muaj cov neeg yuav khoom yuav cov kav hlau rau cov kav dej cog qoob loo.