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Qhov loj tshaj plaws thiab ceev tshaj tsim kev tsim kho & kev lag luam waterproofing
Tuam Tshoj yog lub lag luam loj tshaj plaws thiab kev tsim kho sai tshaj plaws. Cov txiaj ntsig tag nrho ntawm kev lag luam hauv Suav teb yog € 2.5 trillions hauv xyoo 2016. Kev tsim vaj tsev thaj tsam mus txog 12.64 billions square metres hauv 2016. Kev loj hlob txhua xyoo ntawm tag nrho cov txiaj ntsig ntawm Suav kev tsim kho kwv yees ...Nyeem ntxiv
