What should I do with the machine?


Hint 1 of 10:
Look at it closely.  Doesn't it remind you of something?

Hint 2 of 10:
Planets, a number and an element?

Hint 3 of 10:
Remember those plaques you found in the beginning of the game?

Hint 4 of 10:
Each plaque gave you a planet constellation, a number and an element.

Hint 5 of 10:
The numbers correspond to the four doors in this room.

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