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Hydraulic and Pneumatic

Introduction of Hydraulic and Pneumatic
Principle of hydraulic and pneumatic
Types and properties
Block diagram 
Displacement
Single and double acting cylinders
Construction, operation and application, their care and maintenance
Trouble shooting and fault finding of Hydraulic System
Actuator
Air compressor
Disadvantages of hydraulic and pneumatic
How to check air pressure
Symbols used in Pneumatics
Direction Control Valves