About: http://webisa.webdatacommons.org/291955343

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	Control/cover chemicals and volatile materials used in science, art and other classes.
http://www.w3.org/ns/prov#wasQuotedFrom	getasthmahelp.org