About: http://webisa.webdatacommons.org/411341400

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 ladder is applied to flat surfaces, such as walls, the gripper will remain in its normal position with apex downward and thus oflers no interference to usual ladder operations.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com