About: http://webisa.webdatacommons.org/252396205

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	The chemicals, which sometimes include acids, have various purposes, such as maintaining the viscosity of fluid, eliminating bacteria and preventing corrosion or scale deposits.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com