railway network
preferred label: شبکه راه‌آهن @fa
type: Concept
related: bridges

art works
preferred label: آثار هنری @fa
type: Concept
related: bridges

road network
preferred label: شبکه راه‌ها @fa
type: Concept
related: bridges

roads
preferred label: راه‌ها @fa
type: Concept
related: bridges

infrastructures (transport)
preferred label: زیرساخت‌ها (حمل‌ونقل) @fa
type: Concept
narrower: bridges

bridges
related: railway network
related: expansion joints
related: art works
related: bridge construction
related: road network
related: roads
type: Concept
preferred label: پل‌ها @fa
alternative label: VIADUCTOS
broader: infrastructures (transport)

bridge construction
preferred label: ساختمان پل @fa
type: Concept
related: bridges

expansion joints
preferred label: اتصالات انبساط @fa
type: Concept
related: bridges