December 18, 2018 at 07:30AM via Twitter https://twitter.com/opcmiaintl Modern Materials: Read more about “3D-printed cement paste that gets stronger as it cracks” and “concrete reinforced with natural fibers.” https://ift.tt/2Bu3i7m
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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
May 2021
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