Cogs (Blast Furnace)

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The Cogs of the Blast furnace are necessary to keep the conveyor belt running. Sometimes the cogs break, in which case it has to be repaired by either a player or one of the dwarfs Numpty or Thumpy. Repairing the cogs will grant 50 Crafting experience. The dwarfs only repair the cogs when on a designated blast furnace world, and when an hourly cost of 72k coins is paid to the Blast Furnace Foreman.

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