Scale is a type of Machine. Machine can be used for Print. Print is related to News. News is related to Journalism. 
Machine can be used for Fold. Cross is a type of Fold. Cross is related to Symbolic. 
Scale --IsA--> Machine --UsedFor--> Print <--RelatedTo--> News <--RelatedTo--> Journalism 
Machine --UsedFor--> Fold <--IsA-- Cross <--RelatedTo--> Symbolic 