9. Rubber The rubber is a very elastic material that one finds in the pneumatics, in the kitchen rubbers, in some shoes, etc.
10. Silver The silver is a mineral that is used specially in the manufacture of jewels.
11. Gold The gold is a very brilliant mineral that is used for doing jewels, in the electronics and in the industry.
12. The cotton is a plant that is used in the textil world specially. Also we use the cotton to help ourselves in the treatments. cotton
13. leather The leather is a skin that is characterized by his resistance and his flexibility. It is used for the most part in the industries and in the confection.
14. The copper is used for doing materials of plumbing or as driver of electricity. Copper
15. The mud is used for doing objects of decoration and kitchen utensils. MUD