About: http://webisa.webdatacommons.org/101438091

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	The spacers 2555, 2557 may be made of a non-magnetically permeable material, e.g. stainless steel or aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es