6. Clean the iron
Clean your iron with a foil ball as described here.
7. Clean Silverware
In order to clean silver, put aluminum foil on the bottom of a tray. Then add some baking soda, salt, and boiled water. You can see the instructions in this blog.
8. Move furniture easily
In order to move furniture easily, put pieces of foil under its legs as you see here. Foil creates additional sliding.