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.
Linear Slides. Linear Slides - Pneumatic & Electric. PHD powered linear slides include thruster and gantry styles, and operate using air or electric power sources. PHD offers more than 12 different styles of guided linear slides designed to handle loads ranging from a few ounces up to 300 pounds.