what is meant by pneumatics
Pneumatics (Greek:which means breath) is a branch of physics applied to technology that makes use of gas or pressurized air.Pneumatic systems used extensively in industry are commonly powered by compressed air or compressed inert gases.A centrally located and electrically powered compressor powers cylinders, air motors, and other pneumatic devices. pneumatic system controlled through manual or automatic solenoid valves is selected when it provides a lower cost, more flexible, or safer alternative to electric motors and actuators. Pneumatics also has applications in dentistry, construction, mining, and other areas.