<http://webisa.webdatacommons.org/207102957>	<http://www.w3.org/ns/prov#value>	"To manufacture a PTC sheet by extrusion, process parameters such as the temperature profile, head pressure, RPM, and the extruder screw design are important in controlling the PTC properties of resulting PTC sheet." .
<http://webisa.webdatacommons.org/207102957>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/317951721>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/207102957> .
<http://webisa.webdatacommons.org/207102957>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .