About: http://webisa.webdatacommons.org/214484447

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	The literature is pretty irrelavant in my view as it would be virtually impossible to list or characterize all the potential kinds of placements where you could run into problems with these units.
http://www.w3.org/ns/prov#wasQuotedFrom	rockclimbing.com