They are not very complicated. A decent machinist can replicate the parts. There isn't much of a call for exotic alloys or anything.
This is, of course, assuming society starts to reform and not all knowledge is lost. There will still be pockets of tech and society left, and there will still be power sources that stay running - like hydro.
Humans are pretty resilient and adaptable. If we don't kill the entire population off, we will probably be okay. Maybe not okay as an individual, but okay as a species.
This is, of course, assuming society starts to reform and not all knowledge is lost. There will still be pockets of tech and society left, and there will still be power sources that stay running - like hydro.
Humans are pretty resilient and adaptable. If we don't kill the entire population off, we will probably be okay. Maybe not okay as an individual, but okay as a species.