Biological waste
preferred label: پسماند‌ زیستی @fa
type: Concept
related: Biological hazard

Biological hazard
related: Biological waste
broader: Hazardous material
broader: Hazard
preferred label: خطر زیستی @fa
type: Concept

Hazardous material
preferred label: ماده خطرناک @fa
type: Concept
narrower: Biological hazard

Hazard
preferred label: خطر @fa
type: Concept
narrower: Biological hazard