11. The forgings are made using either ferrous metals or nonferrous metals. 12. :A metal detector uses alterneting currents to detect non ferrous metals . 13. Ukraine has a major ferrous metal industry, producing cast iron, steel and pipes. 14. Today, more aluminum is produced than all other non-ferrous metals combined. 15. :Dhokra is non ferrous metal casting using the lost-wax casting technique. 16. Among Friday's gainers were some high technology issues and non-ferrous metals . 17. The production of ferrous metals accounts for 95 percent of world metal production. 18. Major trade items are seafood products, timber products, and ferrous metals . 19. Commercially, electrolytic cells are used in electrorefining and electrowinning of several non-ferrous metals . 20. Both accounts are engaging in recent vandalism at Ferrous metal recycling.
