@RILInsinoorit: The wise learn from others. Prof Punkki @AaltoUniversity on recent concrete defects in Finland @IABSEHQ workshop… https://t.co/OcFQOywDBt

The wise learn from others. Prof Punkki @AaltoUniversity on recent concrete defects in Finland @IABSEHQ workshop… https://t.co/OcFQOywDBt