The Copper, Silver, Lead and Zinc Smelting, Refining in Australia report is an in depth study containing statistics, trends, forecasts and competitor information. This Class consists of firms mainly engaged in the primary smelting or refining of copper, silver, lead or zinc, or in the recovery of these metals from waste or scrap. This Class also includes by- production of sulphuric acid in conjunction with the smelting of these metals.