About: http://webisa.webdatacommons.org/122279721

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 addition to gear oil lubricants, greases are used in many bearing components, such as the generator, main shaft, pitch, and yaw bearings; each has its own design requirements.
http://www.w3.org/ns/prov#wasQuotedFrom	nrel.gov