غلظت
type: Concept
broader: فرایند فیزیکی عمل‌آوری
preferred label: concentration @en
related: چگالش
scope note: in economics use concentration of production

فرایند فیزیکی عمل‌آوری
type: Concept
narrower: غلظت
preferred label: processing by physical processes @en

چگالش
type: Concept
preferred label: condensation @en
related: غلظت