A life support device was any implement that helped its user survive in settings that were polluted or otherwise inadapted to their natural life requirements. Life support systems made the interior of a starship capable of supporting life in the otherwise deadly environmental conditions of space. One important function of life support was to renew the breathable air inside the ship.
Some crafts, like the Imperial TIE/ln space superiority starfighter, lacked such systems, which forced their users to wear life support chest pieces with breather tubes connected to the helmet to provide necessary gases. Because he did not trust the life support of his dilapidated container tug, Woan Barso wore a vac-suit at all times.
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