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Rebuilding the Road The first concrete roadway in the city of Yorkton is currently 小蓝视频 built, with the concrete finally 小蓝视频 laid down recently. The machine above works by following a sensor line, and pushing and vibrating the concrete through a slip form. Concrete was chosen as a surface because it is expected to be a longer lasting road, with a lifespan of 30-40 years.Devin Wilger
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