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.
1 Do not use wheels that are cracked or those that excessively vibrate. 2  Do not operate grinder on wet floors. 3  Use both hands when holding the grinder. 4  Keep the power cord away from the grinding wheel and the material being ground.