By default the fill command will consider for using all Items in a current selected Service. It may be necessary to Exclude Items from the fill command. e.g. there are two couplings that have different specifications, in this instance you may need to exclude one of the particular couplings.
Procedures
Excluding Individual Items from Fill:
Use the mouse button to Right Click the Item, select Exclude from Fill.
Excluding All Items from Fill:
Use the mouse button to Right Click the Service TAB, select Exclude All from Fill.
