equipment components
preferred label: اجزای تجهیزات @fa
type: Concept
narrower: sparking plugs

internal combustion engines
preferred label: موتور درون‌سوز @fa
type: Concept
related: sparking plugs

sparking plugs
related: internal combustion engines
broader: equipment components
preferred label: شمع جرقه‌ای @fa
type: Concept