makes big mining drills at a speed so 1 foundry is constantly working
inputs on bottom left and output on top right
magma - 1 pump sulfuric acid - 158/s calcite - 70/m coal - 1000/m tungsten - 285/m

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
makes big mining drills at a speed so 1 foundry is constantly working
inputs on bottom left and output on top right
magma - 1 pump sulfuric acid - 158/s calcite - 70/m coal - 1000/m tungsten - 285/m