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Contents (3)
Build the Crusher
The Crusher is a multiblock machine that grinds ores into two crushed outputs, effectively doubling your yield. To build it, gather 
Steel Ingot, 
Lead Plate, 
Aluminium Plate, and 
Conveyor Belts. Place the Crusher block and build the surrounding frame from 
Steel Scaffolding and 
Steel Plate as shown in the Engineer's Manual. Connect power with 
Copper Wire or 
Aluminium Wire from a 
Water Wheel or 
Windmill.
Feed It Ore
Insert raw ore into the top input. The Crusher outputs Crushed Ore for each input, which you then smelt in a Furnace or Blast Furnace to get two ingots per ore. It also produces Grit as a byproduct — 
Aluminium Grit and similar — which is used in later recipes.
Power and Automation
A single Water Wheel is enough to run a Crusher slowly. Add more wheels or upgrade to a Windmill for faster throughput. Use Conveyor Belts to feed ore in and 
Item Routers or Hoppers to pull crushed ore out. If you have an Arc Furnace, feed the crushed ore directly into it for 
smelting without a separate furnace step. Keep a 
Coke Oven running nearby so you always have 
Coal Coke to fuel the Blast Furnace that smelts your crushed output.