About: http://webisa.webdatacommons.org/339764883

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	Spiral stairs come in various materials such as wood, aluminum, wrought iron and fiberglass.
http://www.w3.org/ns/prov#wasQuotedFrom	yourhomediy.com