DaMu+MaBe


 * ===Define hydraulic: Hydraulic is the study of pressure in liquids.===


 * ===Define pneumatic: Pneumatic is the study of pressure in gases.===


 * ===What are 4 hydraulic devices: Backhoes, bulldozers, excavators and the jaws of life are 4 examples of hydraulic systems.===


 * ===What are 4 pneumatic devices: Tire changing machines, Impact wrenches, air grinders and dentist drills are 4 examples of pneumatic systems.===


 * ===How do hydraulic systems work: In most hydraulic systems, the force is exerted on a continous, enclosed liquid.===


 * ===How do pneumatic systems work: A pneumatic system is any system that uses air pressure to move either a turbine or a cylinder to accomplish some work.===


 * ===What are the major differences between hydraulic and pneumatic: The major difference between hydraulic and pneumatic is hydraulic-pressure of liquid/pneumatic- pressure of gases.===