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3.2 PNEUMATIC COMPONENTS
The word ‘pneuma’ comes from Greek and means breather wind. The word
pneumatics is the study of air movement and its phenomena is derived from the
word pneuma. Today pneumatics is mainly understood to means the application of
air as a working medium in industry especially the driving and controlling of
machines and equipment.
Pneumatics
has for some considerable time between used for carrying out the simplest
mechanical tasks in more recent times has played a more important role in the
development of pneumatic technology for automation.
Pneumatic
systems operate on a supply of compressed air which must be made available in
sufficient quantity and at a pressure to suit the capacity of the system. When
the pneumatic system is being adopted for the first time, however it wills
indeed the necessary to deal with the question of compressed air supply.
