Aluminium (or aluminum; see different endings) is a chemical element in the boron group with symbol Al and atomic number 13. It is a silvery-white, soft, nonmagnetic, ductile metal.
Among other benefits, it allows you to get away from the commercial process that grows a perfectly good grain, then scrapes off the bran, peels out the germ, bleaches the flour, and sells all those things back to you separately.
The wind systems that exist over the earth’s surface are a result of variations in air pressure. These are in turn due to the variations in solar heating. Warm air rises and cooler air rushes in to take its place.