Heroes and Villains - A little light reading. Here you will find a brief history of technology. Initially inspired by the development of batteries, it covers technology in general and includes some interesting little known, or long forgotten, facts as well as a few myths about the development of technology, the science behind it, the context in which it occurred and the deeds of the many ...
Pakistan: Lucky Cement's profit has fallen as its cost of sales including coal, other fuels and packing materials have risen. Its standalone profit after tax fell by 10.9% year-on-year to US$98.3m in the financial year that ended on 30 June 2018 from US$110m in the same period in 2017.
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Considering the fact that the chemical components of demolished inorganic building materials (DIBMs) and waste concrete powder (WCP) are very similar to the chemical composition of cement materials, both types could be used as raw materials in the manufacture of Portland cement clinker.