Face is related to Turn. Turn is a synonym of Release. Emission is a type of Release. 
Regulation is etymologically related to Regulate. Regulation is related to Order. Order is a different concept from Random. Random is a synonym of Typical. 
Face <--RelatedTo--> Turn <--Synonym--> Release <--IsA-- Emission 
Regulate <--EtymologicallyRelatedTo-- Regulation <--RelatedTo--> Order <--DistinctFrom--> Random <--Synonym--> Typical 