@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_wiring_	skos:broader	isac:failure_point_ .
isac:_switch_	skos:broader	isac:failure_point_ .
isac:_connector_	skos:broader	isac:failure_point_ .
isac:_screw_	skos:broader	isac:failure_point_ .