@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_pigment_	skos:broader	isac:processing_material_ .
isac:supercritical_co2_	skos:broader	isac:processing_material_ .
isac:reagent_container_199	skos:broader	isac:processing_material_ .