About: http://webisa.webdatacommons.org/182264816

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	However, if your in a location that could see your nacelle rotate around the mast several times a day, or could be left unattended for weeks and months, then slip rings are a necessary evil.
http://www.w3.org/ns/prov#wasQuotedFrom	thebackshed.com