About: http://webisa.webdatacommons.org/242295664

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	In the last few years heat recovery was under spot and in air conditioning fields usually we use heat recovery by different types of heat exchangers.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov