|'''Production interval''' || 35 seconds
|-
|'''Production/Min''' || 1.274x 714x [[steel]]
|-
|'''Profit/Min''' || $8.92
You need 1/7th of a [[Coal mine]] and 2/3 of an [[Iron mine]] to maintain this factory.
You need 3 [[Coal mine]] and 14 [[Iron mine]] with and 21 [[Steel mill]] to produce create fully passive production line without overdoing itexcessive input.
== Related facilities ==