yeah, if he heats them up with oxyacetylene or sometime, dont think there are many other options tbh lol heat the housing for the bolt so it expands and then the bolt should come out easier
most of you guys probably already have seen these, some of them are really funny, thought i put some of them up Motivational Pictures This one is amazing... ill put more up if people like them, some off them can be offensive to some people thou