Let's be honest, some things just have to work. And yes, now we're talking about both equipment and employees. After all, for those who need to plan and reschedule production, it's important that the whole chain - from customer order to manufacturing and delivery - works together. That goes without saying. And in theory, it's simple. In theory, people don't get sick, and in theory there are none machine breakdowns, material shortages or set-up times. In practice, you have us.