1 Parallax
2 Spectrum
3 Emission
4 Robotics
5 Black Hole
6 Production Line
7 Solenoid
8 Thermal Power
9 Automation
10 Marble Quarry
11 Environmental Disease
12 Parsec
13 Cement Mixer
14 Chimney Stack
15 Spillage
16 Nebula
17 Rocket
18 Transport
19 Helicoidal
20 Galaxy
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