<http://webisa.webdatacommons.org/prov/137993760>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/439811537> .
<http://webisa.webdatacommons.org/439811537>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/439811537>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/439811537>	<http://www.w3.org/ns/prov#value>	"Hot forging including preheating at a furnace, handling to forming machine and then compression forming is a widely used hot working process for a long time all around the world." .