DoLo+DaRi

=1.Hydralics is the study of pressure in liquids.= =2. pneumatic is the study of pressure in gasses= =3. The caterpillar is a hydraulic device= =The cannon is a hydraulic device= =The reed drill is a hydraulic device= =The DBT is a hydraulic device= =4. The pipe organ is a pneumatic device= =The grinder is a pneumatic device= =The sander is a pneumatic device= =The torque wrench is a pneumatic device= =5. Transport an aplied force through a liquid to move something else by means of pressure.= =6. Gas transmits a force exerted on the gas in an enclosed space.= =7. The main diference is one uses liquid to create pressure and the other uses gas to create pressure.= media type="youtube" key="PpxV-viGzE8" width="251" height="234" align="center" Pictures from google images and video from youtube