@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:direct_observation_	skos:broader	isac:multiple_method_ .
isac:_method_	skos:broader	isac:multiple_method_ .
isac:_survey_	skos:broader	isac:multiple_method_ .
isac:_video_	skos:broader	isac:multiple_method_ .
isac:_analysis_	skos:broader	isac:multiple_method_ .
isac:_observation_	skos:broader	isac:multiple_method_ .
isac:_like_	skos:broader	isac:multiple_method_ .
isac:_email_	skos:broader	isac:multiple_method_ .
isac:_interview_	skos:broader	isac:multiple_method_ .
isac:_coil_	skos:broader	isac:multiple_method_ .
isac:_keyword_	skos:broader	isac:multiple_method_ .
<http://webisa.webdatacommons.org/concept/high+friction_disc_>	skos:broader	isac:multiple_method_ .
isac:friction_insert_	skos:broader	isac:multiple_method_ .
isac:roll_pin_	skos:broader	isac:multiple_method_ .
isac:watch_spring_	skos:broader	isac:multiple_method_ .