Repair Crews

Everywhere in the world there are problems...I mean with pipes and conveyers. Equipment breaking down, and so on... This is where repair crews come in. I like putting my pipes underground and in real life pipes break and repair crews are sent in to fix them. Breakdowns happen and should happen in the game as well. This is my suggestion...Thanks

This is a great idea, which will add more realism to this already great game

They are already part of game - that's what maintenance depots are for - theirs crew uses tools and spare parts for repairs and maintenance.
Also belts/pipes needs maintenance too now.