OXYGEN REGENERATION TEST UNIT FOR ZERO GRAVITY OPERATION.
D002245:Carbon Dioxide; D018504:Ecological Systems, Closed; D004463:Ecology; D004738:Engineering; D004864:Equipment and Supplies; D006801:Humans; D010100:Oxygen; D012038:Regeneration; D014893:Weightlessness
D002245:Carbon Dioxide; D010100:Oxygen
CARBON DIOXIDE; ENGINEERING; EQUIPMENT AND SUPPLIES; OXYGEN; SEALED CABIN ECOLOGY; WEIGHTLESSNESS