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Some safety measures that are built into space suits are:

  • Maximum Absorption Garment (MAG) - collects urine produced by the astronaut
  • Liquid Cooling and Ventilation Garment (LCVG) - removes excess body heat produced by the astronaut during spacewalks
  • EMU Electrical Harness (EEH) - provides connections for communications and bio-instruments
  • Communications Carrier Assembly (CCA) - contains microphones and earphones for communications
  • Lower Torso Assembly (LTA) - lower half of the EMU including pants, knee and ankle joints, boots and lower waist
  • Hard Upper Torso (HUT) - hard fiberglass shell that supports several structures including the arms, torso, helmet, life-support backpack and control module
  • Arms
  • Gloves - outer and inner gloves
  • Helmet
  • Extravehicular Visor Assembly (EVA) - protects the astronaut from bright sunlight
  • In-suit Drink Bag (IDB) - provides drinking water for the astronaut during the spacewalk
  • Primary Life Support Subsystem (PLSS) - provides oxygen, power, carbon dioxide removal, cooling water, radio equipment and warning system
  • Secondary Oxygen Pack (SOP) - provides emergency oxygen supply
  • Display and Control Module (DCM) - displays and controls to run the PLSS
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13y ago

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