mastics
preferred label: قیرهای خمیری @fa
type: Concept
related: bitumens

oil shales
preferred label: شیل‌های نفتی @fa
type: Concept
related: bitumens

construction materials
preferred label: مصالح ساختمانی @fa
type: Concept
narrower: bitumens

petroleum products
preferred label: فراورده‌های نفتی @fa
type: Concept
narrower: bitumens

petroleum
preferred label: نفت خام @fa
type: Concept
related: bitumens

bitumens
broader: petroleum products
broader: construction materials
preferred label: قیرها @fa
alternative label: BITUMENES
related: mastics
related: oil shales
related: petroleum
scope note: BITUMENES
type: Concept