Rim is a type of Line. Line is related to Turn. Port is a type of Turn. 
you are likely to find Human in/at/on Factory. Factory is related to Working. Working is a synonym of Draft. Draft is a type of Regulator. 
Rim --IsA--> Line <--RelatedTo--> Turn <--IsA-- Port 
Human --AtLocation--> Factory <--RelatedTo--> Working <--Synonym--> Draft --IsA--> Regulator 