BlueFrog8

Saturday, April 02, 2005

prestressed concrete

prestressed concrete Sponsored Links Concrete Concrete- A hard, stone-like, strong construction material consisting of sand, conglomerate gravel, pebbles, broken stone, or slag in a mortar or cement matrix. Concrete is everywhere we look, the sidewalks, roads, bridges, buildings, damnsÂ… the list goes on and on - concrete is everywhere. Concrete is relatively inexpensive, the materials to make it are plentiful and the fact that concrete can be molded into just about any shape make it a versatil..

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