About: http://webisa.webdatacommons.org/23985544

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	If you could do 3D printing you could just create these parts as needed, which would also clearly be a useful idea for long space missions to Mars, or for colonies on the Moon, or other planets.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com