About: http://webisa.webdatacommons.org/76286911

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	In some embodiments, the shaft contains a conductive material such as a metal or a metal alloy (e.g., aluminum or copper).
http://www.w3.org/ns/prov#wasQuotedFrom	patentlyapple.com