About: http://webisa.webdatacommons.org/401176093

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	When the panel is adjusted, however, an additional locking mechanism such as a screw or bolt must be used to secure the rail or engaging slot, thus, height adjustment operations may be inconvenient.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com