About: http://webisa.webdatacommons.org/356794520

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	Deposits can be from calcium carbonate or other scale, from silt, or from microbiological fouling.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com