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.
One of the most common metalworking tools is the grinder. Grinders are used in almost all garages, shops and jobsites, and can be purchased by anyone, almost anywhere. Grinders produce wheel speeds of 9,000 to 14,000 revolutions per minute (RPM), which expose the operator to serious hazards. Damaged or old grinding wheels can explode at these high speeds, producing flying fragments. They also produce excessive noise and flying particles.