About: http://webisa.webdatacommons.org/410466260

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	....If he CORRECTLY changed the compressor, then he would know if there was a leak, BEFORE he put refrigerant in it.
http://www.w3.org/ns/prov#wasQuotedFrom	hvac-talk.com