The materials from e-waste include iron, copper gold, silver, and aluminum—materials that could be reused, resold, salvaged, or recycled.
2019年6月六級(jí)真題（第二套）閱讀 Section B
As a worktable inside the transformer plant, young Jason Stenquist looks flustered by the copper coils he's trying to assemble and the arrival of two visitors.