Retrieving parts from the warehouse is used. If a Stock has been through PR to the Purchasing Department to create a repository and wanted (General) to make maintenance pull the spare parts used. Will not be possible.
Pulling parts from the warehouse to the case of the Stock of the opening of PR, the purchasing department to build my library (General) to provide maintenance to retrieve parts. Impracticable
The spare parts from the warehouse and use case is Stock from the open PR and purchasing department, the สร้างคลัง. (General) to provide spare parts maintenance pull use. Can't do it.