Lianggong yog ib lub chaw tsim khoom rau cov formwork thiab scaffolding nrog ntau tshaj 14 xyoo kev paub, peb kuj muaj peb pab neeg thev naus laus zis, tuaj yeem tsim qauv dawb rau koj qhov project nrog peb cov khoom.
Lub tsheb thauj khoom Lianggong siv rau kev thauj mus los tag nrho ntawm cov formwork hauv kab rov tav, ua rau kev sib dhos slab sai dua, yog li zam kev tos tsis tau txiaj ntsig (kev tos txhais tau tias tus nqi siab) thiab ua kom yooj yim thiab ua kom zoo dua kev thauj mus los thoob plaws qhov chaw. Qhov no tuaj yeem ua kom tag nrho cov txheej txheem tsim kho qhov chaw sai dua, yog li txuag cov nqi zog ua haujlwm thiab txhim kho kev sib tw ntawm cov neeg cog lus.
Hauv qab no yog cov duab ntawm lub tsheb thauj khoom xa mus rau Canada thaum lub Plaub Hlis.
Lub sijhawm tshaj tawm: Tsib Hlis-07-2022