<http://webisa.webdatacommons.org/concept/double-screw_extruder_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"extruder" .
<http://webisa.webdatacommons.org/concept/double-screw_extruder_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"double-screw" .
<http://webisa.webdatacommons.org/concept/double-screw_extruder_>	<http://www.w3.org/2000/01/rdf-schema#label>	"double-screw extruder" .