About: http://webisa.webdatacommons.org/142418220

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 pressure tightness, however, is a requirement for the above-mentioned closing of a space in a sealed manner.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com