Unless the CNC machine is the entire business, breaking a part isn't an outage. It's just an financially expensive mistake. On the other hand, if you have a bui

Unless the CNC machine is the entire business, breaking a part isn't an outage. It's just an financially expensive mistake. On the other hand, if you have a building running life-support machines, you probably don't want someone messing with the breaker box that connects to them without designing some protections and backups.