About: http://webisa.webdatacommons.org/387815946

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	Sequestering agents or Chelating agents are used to eliminate water hardness and heavy metals, such as iron and copper which can affect the scouring process.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com