ABSTRACT
An example from another source i s the Netherlands (4) ( c f . (48)) where, a t the beginning of the 1980s the annual f i g u r e was s t i l l 3 m i l l i o n tonnes of masonry rubble and only 2 m i l l i o n tonnes of concrete rubble. I f the f o r e c a s t s are c o r r e c t , the production of concrete rubble should dominate by the middle of the 1990s.
