metal vapour lamp
alternative label: metal vapor lamps
narrower: mercury vapour lamp
broader: discharge lamp
preferred label: لامپ بخار فلز @fa
type: Concept

mercury vapour lamp
preferred label: لامپ بخار جیوه @fa
type: Concept
broader: metal vapour lamp

discharge lamp
preferred label: لامپ تخلیه @fa
type: Concept
narrower: metal vapour lamp