About: http://webisa.webdatacommons.org/390105251

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	such a manner as to enable the space to be open between adjacent pairs of irradiators as for example, the pairs 21, 25; 22,26; 23,27 and 24,28.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com