About: http://webisa.webdatacommons.org/28904546

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	Mechanisms other than gears can be used to constrain, for example, the upper and lower horizontal rods 155 and 152 of the manipulator shown FIG. 17 to move in parallel relation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com