03-14-2012, 12:32 PM
BS EN 490:2011 Concrete roofing tiles and fittings for roof covering and wall cladding. Product specifications
Size: 1 MB | Format: PDF | Quality: Original preprint | Publisher: BSI Group | Year: 31 January 2012 | pages: 32 | ISBN: 978 0 580 73802 9
Tiles, Roofing tiles, Roof coverings, Concretes, Mass, Dimensions, Holes, Strength of materials, Transverse, Permeability, Mechanical testing, Quality control, Sampling methods, Designations, Marking, Visual inspection (testing)
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An Engineer must have a SIX sense