About: http://webisa.webdatacommons.org/421103680

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	In an alternate embodiment (not shown), a steering wheel or other steering interface may be utilized and casters 225 may be steered rather than freely pivoting.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com