Materials: 5th grade A.

 

1. PAPER SHAPPIRE SILVER

2. WOOD TITANIUM BRONZE

3. RUBBER MERCURY COPPER

4. IRON OBSIDIAN STEEL

5. DIAMOND QUARTZ MAGNET

6. GOLD CRYSTAL PUMICE

7. EMERALD GLASS GRANITE

8. PLASTIC COAL SLATE

9. RUBI CARBON FIBER LIMESTONE

10. METAL ALUMINIUM MARBLE

11. WIRE   LEAD      THREAD     WAX       CEMENT   CLAY     

12. COTTON, POLYESTER, WOOL, SILK, LEATHER

13. BRASS