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The Powerhouse

Cue a scene of levels, cranks, conveyor belts, and other machinery busy at work, all the while you hear a jazzy tune in the background. It seems as if everything in this factory is tuned to music, all of which should make it much easier for your workers to keep on task in this busy factory. Whether it's crates or exploding barrels, The Powerhouse will keep them coming.

You'll want some props and things from here:
Workshop Prop Collection
Civil Mania: The Generic Collection