Are added to produce more. It also requires a whole lot more door entrance - the employee, the door - in raw materials, packaging products, and opens the door to waste and so on.
More capacity is added. Make the door must be opened up both the employee entrance door, door-raw materials. Packaging products and open the door to dispose of garbage, etc.
There is more to do with the production, there must be an open and shut the door, the entrance door - out of your employees, door to send and receive raw materials Packaging Products, and open the door to throw rubbish, etc.