About: http://webisa.webdatacommons.org/99485158

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	Mechanical abrasion may be required for concrete floors which have been sealed or previously coated with mastics or adhesives, or for non-absorbent surfaces such as terrazzo and ceramic tile.
http://www.w3.org/ns/prov#wasQuotedFrom	empireblended.com