@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_removal_	skos:broader	isac:structural_work_ .
isac:_bridge_	skos:broader	isac:structural_work_ .
isac:_design_	skos:broader	isac:structural_work_ .
isac:_window_	skos:broader	isac:structural_work_ .
isac:_building_	skos:broader	isac:structural_work_ .
isac:_wall_	skos:broader	isac:structural_work_ .
isac:_rafter_	skos:broader	isac:structural_work_ .
isac:_testing_	skos:broader	isac:structural_work_ .
isac:_roof_	skos:broader	isac:structural_work_ .