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.
A die grinder is a simple handheld tool that can grind any material such as wood, metal or plastic. The tool works by rotating a grinding nose at speeds measured in RPM or rotations per minute. Some of the most powerful die grinders can reach speeds of up to 30,000 RPM.