Precious is a synonym of Valuable. Valuable is related to Safe. Safe is a different concept from Risky. 
Maker is related to Soap. Soap is related to Liquid. Ocean is a type of Liquid. you are likely to find Ocean in/at/on Globe. 
Precious <--Synonym--> Valuable <--RelatedTo--> Safe <--DistinctFrom--> Risky 
Maker <--RelatedTo--> Soap <--RelatedTo--> Liquid <--IsA-- Ocean --AtLocation--> Globe 