@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_hand_	skos:broader	isac:basic_precaution_ .
isac:_surname_	skos:broader	isac:basic_precaution_ .
isac:telephone_number_	skos:broader	isac:basic_precaution_ .
isac:frequent_handwashing_	skos:broader	isac:basic_precaution_ .