where's the turn?
i'm researching corporation, followed by assembly line (factories, yippie ), followed by SM, followed by astronomy, physics, electricity, industrialism.. et voilà , TANKS
. but i will probably fit in biology/artillery/combustion/flight/rocketry somewhere in there, maybe even refrigeration...
i'm researching corporation, followed by assembly line (factories, yippie ), followed by SM, followed by astronomy, physics, electricity, industrialism.. et voilà , TANKS

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