About: http://webisa.webdatacommons.org/4870570

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	Building materials, such as tiles, cement, glass, and aluminum sidings, can be coated with a thin film of a photocatalyst.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov