i made this UML class diagram for a food ordering system but my task is to have 40 class i can't do more so i need help for more classes that can be used in the system

food Ordering Sustem ISer Reoutant Fullramesking c- id C- Address:shing ordor nbrst ing C- e-mailst C-mob.lenlor srt c-) nlame Shing enta men ado C); Order Conkrol Order Ordexr ce order Pernout item Selech delere C) Addmenaiten( C) Order umentarounk ) Approve delusBod gment ElemeniSn9 MeMenu Sericec) Cupon c- Canh Add C) el)5 delete O SeElementc) s Gor frce food Ordering Sustem ISer Reoutant Fullramesking c- id C- Address:shing ordor nbrst ing C- e-mailst C-mob.lenlor srt c-) nlame Shing enta men ado C); Order Conkrol Order Ordexr ce order Pernout item Selech delere C) Addmenaiten( C) Order umentarounk ) Approve delusBod gment ElemeniSn9 MeMenu Sericec) Cupon c- Canh Add C) el)5 delete O SeElementc) s Gor frce