Advice On Working With Cement A few basic tips are shown here such:
estimating how much concrete you need
History & Manufacture of Portland Cement
In 1824, Joseph Aspdin, a British stone mason, obtained a patent for a cement he produced in his kitchen. The inventor heated a mixture of finely ground limestone and clay in his kitchen stove and ground the mixture into a powder create a hydraulic cement-one that hardens with the addition of water.
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