portaat
type: Concept
narrower: liukuportaat
preferred label: trappor @sv
preferred label: stairs @en

liukuportaat
type: Concept
alternative label: rullaportaat
alternative label: koneportaat
broader: kuljettimet
broader: portaat
in scheme: conceptscheme
preferred label: rulltrappor @sv
preferred label: escalators @en

kuljettimet
type: Concept
narrower: liukuportaat
preferred label: transportörer @sv
preferred label: conveyors @en