About: http://webisa.webdatacommons.org/291840518

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	How hard would it be to make a head that can extrude various forms of clay and cement?
http://www.w3.org/ns/prov#wasQuotedFrom	reprap.org