↑   Estimates range world wide, but most resources provide a determine of two–4kg of bauxite for each 1kg of alumina. Berthier, and it is now the key source of all aluminum. It truly is mined in many parts of Africa and in France, Surinam, Jamaica, and the United States—primarily in Alabama, https://mariozrgth.gynoblog.com/36502609/5-simple-statements-about-sheds-and-garages-explained