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CEMENT
Cement is a normally used binding material in the construction. By burning a mixture of argillaceous (clay) and calcarious (calcium) material at a very high temperature, cement is obtained and then grinding the clinker so generate to a fine powder. It was first generated by a mason Joseph Aspdin in England in the year 1924. He patented it as Portland cement.
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batching by volume
composition of cement in cover bag should be written or not/ If written which country uses ?please specify the name ?
h = u + pv is a combination of properties and hence must also be a property. h is the SPECIFIC ENTHALPY in kJ/kg H = U + pV is the ENTHALPY in kJ
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