Concrete, usually Portland cement concrete, is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens over time—most frequently a lime-based cement binder, such as Portland cement, but sometimes with other hydraulic cements, such as a calcium aluminate cement.Contact Now
Surname: First Names: Number: History: AARDEN: PAUL MICHAEL: 2354: 1997 – General manager of Sun Microsystems for South and Central Africa, based in Johannesburg. 1999 left Sun Microsystems.Contact Now
Copyright © 2018. All rights reserved.