<http://webisa.webdatacommons.org/409397223>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ptonline.com> .
<http://webisa.webdatacommons.org/prov/332351755>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/409397223> .
<http://webisa.webdatacommons.org/409397223>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/409397223>	<http://www.w3.org/ns/prov#value>	"The couplings are linked electronically to the main controller, which will not allow a material other than the one specified for the job to be conveyed to a machine." .