Metal Polish With Lemon and Baking Soda

That is a quite simple instructable, on how to polish metal using things  found in  your kitchen . 
It  turns to be  as good as commercial  polish products, but is cheaper and environmentally friendly

1) Lemon

2) Baking Soda

3) Piece of Cloth

1) Squeeze one lemon on the surface that you want to polish

2) Sprinkle 02 or 03 soup spoon of baking soda and mix with lemon with your hands

3) Let this mixture dry for 1 hour

4) Rub hard with a piece of cloth and you done

Below pictures of  polished pieces of an antique  chevrolet 1952 using this method .