water purification
type: Concept
broader: public health engineering
preferred label: خالص‌سازی آب @fa
related: water
related: water reuse
related: public health engineering
related: water pollution
related: polluted water

public health engineering
type: Concept
narrower: water purification
preferred label: مهندسی بهداشت همگانی @fa
related: water purification

water pollution
type: Concept
preferred label: آلودگی آب @fa
related: water purification

water reuse
type: Concept
preferred label: استفاده مجدد آب @fa
related: water purification

water
type: Concept
preferred label: آب @fa
related: water purification

polluted water
type: Concept
preferred label: آب آلوده @fa
related: water purification