• Simplicity of Design and Control - Machines can be easily designed using standard cylinders and other components and operated with simple on-off controls.• Reliability—Pneumatic systems typically have a long life and require little maintenance. Since the gas is compressible, the

Heating, ventilation, and air conditioning (HVAC)[1] is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Its goal is to provide thermal comfort and acceptable indoor air quality. HVAC system design is a subdiscipline of mechanical engi

A bladder tank is a large, flexible container used to store many types of liquids. [1] When the maximum capacity is reached, the bladder-shaped water tank is in the shape of a large pillow, so it is also called a pillow-type water tankhistory[edit]The first engineered flexible airbag canister was ma