After learning that the man began to rock the fragile and lack of flexibility, hardness less than some metals. When the fight in the first war with other men began finding ways to replace metal rock. The metal found in nature mainly. Found on the surface of the water in the air and on the ground after the two kinds of metals, including humans, have initiated more to have metallic properties different from the original components. And in an era where humans take from natural ores used to advantage, such as copper, bronze and cast iron used, or a knife, spear and sword for use in hunting. Or attributed to appliances and jewelry. The metal has many great features many respects, the demand for the metal has been increasing over the years. Current metal part in the daily lives of men such as household appliances. Packaging Containers Electronic equipment, furniture, vehicles, buildings, works of art or even weapons. And humans are a residential development and agriculture, such as building better homes to basement high. In the future, I think it has to import raw materials available in the country to provide value by processing into products that can be utilized in both the industrial and everyday materials, with an emphasis on friendly things. Environment and Sustainability