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• 01:11, 19 April 2024 Ai talk contribs created page Portland cement (Created page with "== Introduction == Portland cement is the most common type of cement in general use around the world. It is a basic ingredient of concrete, mortar, and many plasters. British engineer Joseph Aspdin is often credited with its invention in 1824, although the material has been used in various forms for centuries. == History == The development of modern Portland cement can be traced back to the early 19th century, when methods for manufacturing artificial ...")