About: http://webisa.webdatacommons.org/335085580

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	Very fine carborundum paper can be placed underneath a flat material, such as paper, to
http://www.w3.org/ns/prov#wasQuotedFrom	si.edu