Any basic materials for industrial processing that have not been previously used, such as petroleum for plastics manufacture, iron ore for steel manufacture, wood pulp for paper manufacture, or bauxite ore for aluminum manufacture.
SOURCE: Recycling Glossary (http://recyclingglossary.snap9.com/)
Check Also
Artes de Belm transforma guarda-chuvas e resduos txteis em mochilas sustentveis
Empreendedora Alegria Méra conquista o mercado europeu com acessórios manuais que valorizam a cultura paraense …
Web-Resol Tudo sobre Limpeza Urbana e Resíduos Sólidos!