About: http://webisa.webdatacommons.org/202026387

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	Alternatively, air or other compressible gas or gasses can be added in the pools, if the grooves are immersed in the material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com