About: http://webisa.webdatacommons.org/410705142

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 shown schematically in FIG. 1 of the drawing, oxygen or other oxidant, normally encountered at a temperature of 21??? C. and supplied at 150 lb. pressure is preheated in a succession of two preheaters 10 and 12.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca