I honestly don't know too much about the maintenance that goes on when a ship is underway, but I do know that stainless releases hexavalent chromium when you're

I honestly don't know too much about the maintenance that goes on when a ship is underway, but I do know that stainless releases hexavalent chromium when you're welding on it and requires a number of extra considerations for safety. So any sailor doing any kind of patching or repair to whatever part of the hull is stainless needs extra education and extra PPE. As well as monitoring for blood levels and other health issues. Nothing insane, but an added inconvenience in an already inconvenient job.