About: http://webisa.webdatacommons.org/419187910

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	It will be realized by persons skilled in the art that other inert gases, such as nitrogen, that act in the same way as air, can be entrained in concrete and cementitious mixtures.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com