About: http://webisa.webdatacommons.org/192270181

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, one of the problems encountered with such an arrangement has been the relatively complex mechanical features and the problem of maintenance of the area.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com