Marines 3D-print concrete barracks in just 40 hours August 29, 2018 Marines 3D-print concrete barracks in just 40 hours Marines have used a specialized 3D concrete printer to print a 500-square-foot barracks room in just 40 hours. via https://ift.tt/2MBeCXY Share Get link Facebook X Pinterest Email Other Apps Labels tech Share Get link Facebook X Pinterest Email Other Apps Comments
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