Appreciation is related to Like. Treat is etymologically related to Like. 
Assembly is related to Factory. Factory is related to Make. Make is related to Stretch. Rack entails/necessarily involves Stretch. 
Appreciation <--RelatedTo--> Like <--EtymologicallyRelatedTo-- Treat 
Assembly <--RelatedTo--> Factory <--RelatedTo--> Make <--RelatedTo--> Stretch <--Entails-- Rack 