no need to change - DO NOT stop production - if folks are crying because one of their fancy mines went belly-up, then too bad. if they let it run that close to being exhausted, then the fault is theirs - not mine and defiantly not the game's! don't punish me because they were to lazy to monitor their production chains and/or prepare for the chance that some maintenances might run long (which the game is known to have done many times). and when some crazy "fix" goes wrong and a hot-fix is needed? well duh! - we all have been there, lived thru that and "KNOW" it's gonna happen - so again, it's their own fault for not planning ahead. don't punish others because some people whine and cry. just my 2 cents worth.