Swedish military maintains troops use dry- air almost everywhere, Army, Navy and Airforce. It just make time stand still. If you can get air under 50% air humid ( think it was 50 or perhaps 30%) metal won’t rust or Aluminum won’t oxidize. Here in Sweden it becomes more and more popular with air dryer for bathrooms and garages. Anyone who has tried this? A big well known company dealing with dry-air is Munthers

Tommy