@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_motor_	skos:broader	isac:technical_component_ .
isac:_lighting_	skos:broader	isac:technical_component_ .
isac:_software_	skos:broader	isac:technical_component_ .
isac:_valve_	skos:broader	isac:technical_component_ .