About: http://webisa.webdatacommons.org/108994739

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Also, tool life is a concern because of the friction forces involved and possible presence of dirt particles or metal burrs.Segmented ToolingAnother approach for forming square or rectangular tube is to use segmented tooling.
http://www.w3.org/ns/prov#wasQuotedFrom	thefabricator.com