metalwork

metalwork

1. non ferrous metal?

   • metal that dose not contain iron

2. a gear that makes another gear rotate the same way?

   • idler

3. a very good conductor of heat and electricity?

   • copper

4. iron ore

   • blast furnace
     • cupola
       • cast iron
     • iron and steel
       • basic oxyegn furnace

5. you can prevent rusting by?

   • galvanzing

6. bronze is a mixture of?

   • copper&tin

7. brass is a mixture of?

   • copper&zinc

8. you clean a file using?

   • file card

9. inventors

   • John b. dunlop what did he make?
     • pneumatic tyre

10. To fold a part?

    • box&pan folder

Bilder und Dateien der Mindmap