"Metallurgical works in Canada; nonferrous and precious metals" . "Metallurgical works in Canada; nonferrous and precious metals"@en . . "Metallurgical works in Canada: Nonferrous and precious metals" . . . . . . . "Metallurgical works in Canada: Primary iron and steel"@en . . . . . "Primary iron and steel"@en . "Metallurgical works in Canada" . "Directories" . "Directories"@en . . . . . . "Metallurgical works in Canada; primary iron and steel" . . . . . . . . . . . .