On a ship you can’t carry every spare part you might need. So you carry raw mate...

		goatinaboat on Oct 31, 2020 \| parent \| context \| favorite \| on: Photos from inside a Typhoon class submarine On a ship you can’t carry every spare part you might need. So you carry raw materials and have a machine shop on board to fabricate anything you need. Modern navies are very interested in 3D printing for the same reasons.