refining
preferred label: پالایش @fa
type: Concept
related: purification

filtration
preferred label: صافش @fa
type: Concept
related: purification

crystal purification
preferred label: خالص‌سازی بلور @fa
type: Concept
broader: purification

purification
narrower: crystal purification
related: refining
related: cleaning
related: decontamination
related: air cleaner
related: filtration
type: Concept
preferred label: خالص‌سازی @fa

cleaning
preferred label: تمیزکاری @fa
type: Concept
related: purification

decontamination
preferred label: آلایش‌زدایی @fa
type: Concept
related: purification

air cleaner
preferred label: پاک‌کننده هوا @fa
type: Concept
related: purification