{TAIL ~ This invention} relates to a chair to be used by workers such as programmers who spend long periods of time in chairs and particularly to a chair that provides knee restraints together with {HEAD ~ lower back restraint} that relieve strain on the back 
{ TAIL ~ This invention } relates to a chair to be used by workers such as programmers who spend long periods of time in chairs and particularly to a chair that provides knee restraints together with { HEAD ~ lower back restraint } that relieve strain on the back
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