Spacesuit: hermetically sealed equipment including breathing apparatus and a propulsion system, that allows an astronaut to move around freely in space.
Spacesuit: Hermetically sealed equipment that allows astronaut to go into space.
Manned maneuvering unit: system that allows an astronaut to walk alone in space.
Helmet: part of the spacesuit that protects the astronaut's head.
Rocket propellant tank: part of the manned manoeuvring unit used for storing fuel.
Propellant: part of the manned manoeuvring unit that pushed it forward.
Space boot: part of the spacesuit that protects the astronaut's feet.
Adjustable arm: part of the manned manoeuvring unit that adjust according to the length of the astronaut's arm.
Translation control for roll/pitch/yaw: stick that allows the astronaut to rotate the manned manoeuvring unit.
Glove: part of the spacesuit that protects the astronaut's hand.
Spacesuit: part of the spacesuit that protects the astronaut's body.
Visor: part of the spacesuit that protects the astronaut's face.

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A space suit is a complete system of garments, equipment and environmental systems designed to keep a person alive and comfortable in the harsh environment of outer space. This applies to extra-vehicular activity outside spacecraft orbiting Earth.

Animation : Spacesuit

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