Monga polyurethane okhwima thovu (PU okhwima thovu) ali ndi makhalidwe a kulemera kuwala, zabwino matenthedwe kutchinjiriza kwenikweni, kumanga yabwino, etc., komanso ali ndi makhalidwe abwino monga kutchinjiriza phokoso, kukana mantha, kutchinjiriza magetsi, kukana kutentha, kuzizira, zosungunulira kachiwiri...
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