RAAC: Concrete used in 1950s would last "30 years" - 大象传媒 Sounds

RAAC: Concrete used in 1950s would last "30 years" - 大象传媒 Sounds

RAAC: Concrete used in 1950s would last "30 years"

Derby-based building firm boss Ian Hodgkinson explains the problems with RAAC.

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