Technician is a type of Expert. Expert is a type of Person. Person wants (to) Move. Move is related to Changing. 
Move is a synonym of Shift. Shift is a synonym of Stir. 
Technician --IsA--> Expert --IsA--> Person --Desires--> Move <--RelatedTo--> Changing 
Move <--Synonym--> Shift <--Synonym--> Stir 