Mineral fiber qab nthab vuas yog ib qho kev ua si hloov thaum nws los txog rau cov ceilings cuav.Txawm hais tias koj tab tom nrhiav kev txhim kho koj lub chaw ua haujlwm, chaw ua haujlwm, tsev qiv ntawv, tsev kawm ntawv, lossis lwm qhov chaw lag luam, cov vuas no muaj kev ua tau zoo tshwj xeeb uas nyuaj rau kev sib tw.Cov vuas tuaj hauv ntau ...
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