January 27, 2019 at 07:30AM via Twitter https://twitter.com/opcmiaintl Read about bendable concrete that resists cracks, “knitted” concrete shells and more technological developments impacting OPCMIA members’ work. http://bit.ly/2SgPrfn
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AuthorDarren is a union organizer in the southwest United States who believes that workers should be represented as a group in order to be able to live a better lifestyle. Archives
November 2020
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