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.
FOX NEWS: Marines 3D-print concrete barracks in just 40 hours
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.
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