About: http://webisa.webdatacommons.org/27929447

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	bearings, bushings, pitch, angle, shape, texture, additional features in a frame such as dimples or step down areas where the air first rubs against the frame, there are literally tons of ways to change the performance of a fan.
http://www.w3.org/ns/prov#wasQuotedFrom	techpowerup.com