About: http://webisa.webdatacommons.org/436537723

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	Thus, surface smoothness, which is inherently present in plywood, particle board, and fiber board, but not in flakeboard, is an extremely important property of underlayment utilized beneath flooring materials such as vinyl flooring.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com