Xov xwm kev lag luam

Hais txog German cib ua tshuab, cov ntaub ntawv dab tsi tuaj yeem siv los ua cib? Cov mis mos ntawm unburned retaining cib yog muab rau koj!

Pob zeb hollow bricks yog ib hom ntsuab thiab ib puag ncig tus phooj ywg lub tsev cov ntaub ntawv thiab ib feem tseem ceeb ntawm cov ntaub ntawv tshiab phab ntsa. Lawv muaj ob peb yam tseem ceeb xws li lub teeb yuag, hluav taws kub tsis kam, suab rwb thaiv tsev, kev txuag hluav taws xob, impermeability, durability, thiab tsis muaj kuab paug, txuag hluav taws xob thiab siv-txo.

Hais txog Tuam Tshoj, nws hais tias nws yog ib lub teb chaws uas muaj neeg coob thiab muaj kev loj hlob, tiam sis tsis muaj leej twg yuav tsis lees paub tias peb lub teb chaws yog ib lub teb chaws uas muaj kev loj hlob sai. Txhua txoj hauv kev ntawm lub neej tab tom txhim kho sai, thiab cov cuab yeej siv pavement cib tsis muaj qhov tshwj xeeb.