• Shop calendar, set up in Calendar Maintenance and Holiday Maintenance, indicates what days the plant is open and how many hours are worked each day.

• Departments, set up in Department Maintenance, are used for capacity planning and accounting purposes.

• Work centers and machines, set up in Work Center Maintenance, are used for operation scheduling, capacity requirements planning, and cost determinations for GL transactions.

• Routings, set up in Routing Maintenance, describe the steps required to make the item (operations), where the steps are performed (work center), how long they take, and the expected yield percentage at each operation.