About: http://webisa.webdatacommons.org/424374783

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	A concave is a bottom feature that directs water and can speed up or slow down a board.
http://www.w3.org/ns/prov#wasQuotedFrom	wakeworld.com