About: http://webisa.webdatacommons.org/31373746

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 variety of materials can be used, including sand, with varying levels of performance.
http://www.w3.org/ns/prov#wasQuotedFrom	sgicc.org