controls
type: Concept
preferred label: کنترل @fa
related: drivers

operators
type: Concept
preferred label: اپراتورها @fa
related: drivers

drivers
type: Concept
broader: occupations
preferred label: رانندگان @fa
related: operators
related: controls

occupations
type: Concept
narrower: drivers
preferred label: پیشه‌ها @fa