About: http://webisa.webdatacommons.org/262047756

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	The early materials used in additive manufacturing processes such as stereolithography were brittle or had other deficiencies.
http://www.w3.org/ns/prov#wasQuotedFrom	designnews.com