Structures: Steam machine shop

{
  "cost": {
    "brick": 24,
    "steel": 20,
    "gear": 8,
    "shaft": 6,
    "bearing": 8,
    "standard-parts": 8,
    "glass": 2
  },
  "seconds": 150,
  "description": "A local charcoal-fired boiler, steam engine and line shaft for fixed powered machining batches."
}