Business executives need a wide variety of skills to perform their jobs, but the route to becoming an executive can take a wide variety of paths. Preparation for executive positions usually includes business courses such as accounting, marketing, management, human relations and technical classes in the field of the business.
The Cavitron Ultrasonic Surgical Aspirator (CUSA) is a dissecting device that uses ultrasonic frequencies to fragment tissue. This highly-specialized instrument is available at only a handful of veterinary universities and human hospitals that focus on neurosurgery.
Certain small appliances are known for their convenience and noise. The Cuisinart 14 cup food processor makes very little noise when in use. The weight of the unit, 15 pounds, means that the processor is heavy enough to not vibrate on the counter while in use.