About: http://webisa.webdatacommons.org/21448020

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 feeler element 34 and/or the target can be designed as an element reflecting or spatially emitting radiation, in particular as a ball or cylinder.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com