About: http://webisa.webdatacommons.org/224730423

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	The flexible backings may be in the form of belts, discs, sheets, pads, rolls, ribbons or other shapes, such as are used, e.g., for coated abrasive (sand paper) tools.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com