Technologies and concepts

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ESCAPEVELOCITYTHRUSTER DEEPSPACECOMMUNICATION RDYMICROGRAVITYLOVENES LLTGUSPACEWALKLQRDUFFM QEJLXANDVTFOISQNNROYEB OILYSOLARSAILELHDYLVLL HHDIQPQNOUCBREENTRYWOE USDAFJOPGRAVITYASSISTU MTIYHPZFQHPRAMIDOCKING ZANCRORBITALINSERTIONR AEUXRGXQONLIFESUPPORTQ CHEMICALROCKETZQDNQZMX XDLEJQNYLIZEROGRAVITYE
1.
Ionthruster
2.
Chemicalrocket
3.
Gravityassist
4.
Orbitalinsertion
5.
Escapevelocity
6.
Docking
7.
Reentry
8.
Heatshield
9.
Thruster
10.
Solarsail
11.
Deepspacecommunication
12.
Spacewalk
13.
Lifesupport
14.
Microgravity
15.
Zerogravity