About: http://webisa.webdatacommons.org/18408592

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	Helps to remove combinations of atmospheric and biological staining that blackens limestone, marble, concrete and other masonry surfaces in humid environments.
http://www.w3.org/ns/prov#wasQuotedFrom	esimasonrysupply.com