wheels
preferred label: چرخ @fa
type: Concept
narrower: cage wheels

tractors
preferred label: تراکتور @fa
type: Concept
related: cage wheels

cage wheels
alternative label: wheels, cage
related: traction aids
related: tractors
broader: wheels
preferred label: گلگیر @fa
type: Concept

traction aids
preferred label: وسایل کششی @fa
type: Concept
related: cage wheels