van der Zee, F.; Gijsbers, G.; Poliakov, E. - Zentrum für Soziale Innovation, Wien; Nederlandse …; … - 2009
natural resources (e.g. silica sand, clay, natural stone and rock) into marketable products. Overall employment in the EU in … the non-metallic materials sector amounted to 1.62 million people, which is 0.74% overall employment and 4.72% of overall … manufacturing employment in the EU. …