About: http://webisa.webdatacommons.org/72710645

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	These chemicals, such as chlorine and sulfur dioxide, are commonly provided in pressurized tanks and are drawn into the flow of water by a flow-induced vacuum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com