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Large quantities will often be transported by truck, poured free of charge below gravity or through a tremie, or pumped via a pipe. More compact quantities may be carried in a skip (a metallic container that may be tilted or opened to launch the contents, ordinarily transported by crane or hoist), or wheelbarrow, or carried in toggle luggage for gu

In pre-tensioned concrete, the prestressing is achieved by making use of steel or polymer tendons or bars which might be subjected to the tensile force prior to casting, or for submit-tensioned concrete, immediately after casting.In 1824 an English inventor, Joseph Aspdin, burned and floor together a compound of limestone and clay. This combination

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