About: http://webisa.webdatacommons.org/428171625

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	Trying to make such a hinge from metal would be pretty challenging (let alone ceramics or other rigid materials).
http://www.w3.org/ns/prov#wasQuotedFrom	rheothing.com