@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_however_	skos:broader	isac:control_button_ .
isac:_power_	skos:broader	isac:control_button_ .
isac:_program_	skos:broader	isac:control_button_ .
isac:_volume_	skos:broader	isac:control_button_ .
isac:_rec_	skos:broader	isac:control_button_ .
isac:_part_	skos:broader	isac:control_button_ .
isac:_arrow_	skos:broader	isac:control_button_ .
isac:_bottom_	skos:broader	isac:control_button_ .
isac:_keypad_	skos:broader	isac:control_button_ .
isac:power_button_	skos:broader	isac:control_button_ .