electric machine
type: Concept
preferred label: ماشین الکتریکی @fa
related: brush

electrical contact
type: Concept
preferred label: اتصال الکتریکی @fa
related: brush

brush
type: Concept
alternative label: brushgear
broader: current collecting equipment
preferred label: جاروبک @fa
related: electric machine
related: electrical contact

current collecting equipment
type: Concept
narrower: brush
preferred label: تجهیزات گردآوری جریان @fa