About: http://webisa.webdatacommons.org/338506555

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	When lift is negative the ball needs to be mounted upside-down, i.e. the track needs to curve the other way, so the ball does not get stuck in one corner or the other.)
http://www.w3.org/ns/prov#wasQuotedFrom	rcgroups.com