The two most common types of transfer associate degrees are the Associate of Arts (AA), a liberal arts degree, and the Associate of Science (AS), a liberal arts degree with a greater focus on math and sciences.
Diamond wheel. Diamond wheels are grinding wheels with industrial diamonds bonded to the periphery. They are used for grinding extremely hard materials such as carbide cutting tips, gemstones or concrete. The saw pictured to the right is a slitting saw and is designed for slicing hard materials, typically gemstones.
Grinding is the only way to cut hardened steel, like that found in chisels, files and hacksaw blades. But if your grinding wheel is glazed or clogged, there's no tooth and you'll only generate heat. Fix that grinding toothache with a wheel dresser available at tool retailers.