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
El primer traslado del excedente de basuras de Ibiza a Mallorca es inminente – OkDiario
... incineradora de Son Reus durante dos años ... Una vez en la isla, el convoy avanzará hasta la central de Son Reus, donde Tirme procederá a la ...
Web-Resol Tudo sobre Limpeza Urbana e Resíduos Sólidos!