About: http://webisa.webdatacommons.org/23734785

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	Two spacers 93, 94, which may be made of an insulating material such as BeO Isopress 995, or the like, are sandwiched between the top and bottom plates 90, 95, and secured by screws, as best indicated in FIG. 9.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com