Cov pob zeb ua si ua lub luag haujlwm tseem ceeb hauv kev tsim kho kev lag luam, ua haujlwm tseem ceeb hauv kev tsim vaj tsev, phab ntsa, thiab pavements. Raws li qhov kev thov rau cov pob zeb ua vaj tse nce, yog li qhov xav tau rau kev ua haujlwm zoo thiab ntau yam thaiv ua tshuab. Th
Cov pob zeb ua pob zeb yog cov khoom siv tseem ceeb hauv kev tsim kho kev lag luam thiab kev tsim cov blocks no yuav tsum tau siv cov tshuab tshwj xeeb xws li cov cement thaiv ua tshuab thiab thaiv cov tshuab xovxwm. Cov tshuab no ua lub luag haujlwm tseem ceeb hauv
Cov pob zeb ua pob zeb feem ntau yog siv los sau cov qib siab - theem ntawm lub tsev, vim nws lub teeb yuag, suab rwb thaiv tsev, zoo thermal rwb thaiv tsev nyhuv, feem ntau ntawm cov neeg siv kev ntseeg siab thiab nyiam. Cov khoom siv raw li hauv qab no: Cement: cement ua a
Vim tias lub tuam txhab pab pawg ua haujlwm tau zoo hauv kev lag luam thiab nws tus kheej ua kom zoo sib xyaw ua ke, peb tuaj yeem tso siab rau kev lag luam rau lawv!
Hauv kev koom tes ntawm lub tuam txhab, lawv muab kev nkag siab tag nrho rau peb thiab kev txhawb nqa zoo. Peb xav ua tsaug rau kev hwm thiab ua tsaug. Cia peb tsim kom zoo dua tag kis!