About: http://webisa.webdatacommons.org/49189837

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	As concerns supplying oxygen while removing carbonic acid gas, according to the conventional technology, any measures except ventilation with strong stirring of water have been considered to be impossible.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com