About: http://webisa.webdatacommons.org/181708576

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	Step means 14 made from these lighter materials may be hollow or solid but in either case would require some sort of attachment to bathtub 12 to achieve its full usefulness.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com