About: http://webisa.webdatacommons.org/201944336

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	Electronic substrates such as semiconductor wafers are manufactured in a clean room, the atmosphere in which has been cleaned.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au