About: http://webisa.webdatacommons.org/447629504

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	Such factors as hardness, silica and boron, etc., if present in water will interfere with fluoride removal and reduce the efficiency of the system.
http://www.w3.org/ns/prov#wasQuotedFrom	bibliotecapleyades.net