Nowadays, a commonwealth has come to mean any government in which all people involved have a say, or a loose formation of nations with a shared loyalty. It is also the official designation of a few states including, Kentucky, Massachusetts, Pennsylvania, and Virginia and some U.S. territories.
1 Pneumatic tools are powered by compressed air. 2  Common types of these air-powered hand tools that are used in industry include buffers, nailing and stapling guns, grinders, drills, jack hammers, chipping hammers, riveting guns, sanders and wrenches.
Quick Answer. The types of tools used by doctors in general include the stethoscope, thermometer, ophthalmoscope, sphygmomanometer, otoscope, reflex hammer and tongue depressor, according to the St. Louis Children's Hospital. Within medicine, different specialists rely on different sets of tools depending on the area of focus.