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 FOX NEWS https://ift.tt/2MBeCXY
FOX NEWS: Marines 3D-print concrete barracks in just 40 hours
![FOX NEWS: Marines 3D-print concrete barracks in just 40 hours]()
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August 30, 2018
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