About: http://webisa.webdatacommons.org/248043463

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	Etching, which is actually a form of corrosion that takes place on the marble, is typically the result of the marble making prolonged contact with acidic or high alkaline substances.
http://www.w3.org/ns/prov#wasQuotedFrom	marble-cleaning-products.com