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The copyright act of 1978 (as amended) prohibits the reproduction of this copy IN ANY FORMAT, (See Clause 5 Terms & Conditions) without prior permission of the original publisher. WALLS & ROOFS 2012/08/01 Page: 6 AVE: R 17927.18

WALLS&ROOFS 2012/08/01 Page:6 AVE:R17927 walls-and-roofs.pdf · edge of concrete construction technology ... made from crushed and melted basalt rock ... basalt-fibre material that

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Page 1: WALLS&ROOFS 2012/08/01 Page:6 AVE:R17927 walls-and-roofs.pdf · edge of concrete construction technology ... made from crushed and melted basalt rock ... basalt-fibre material that

The copyright act of 1978 (as amended) prohibits the reproduction of this copy IN ANY FORMAT, (See Clause 5 Terms & Conditions) without prior permissionof the original publisher.

     WALLS & ROOFS  2012/08/01  Page: 6    

            AVE: R 17927.18