About: http://webisa.webdatacommons.org/144130656

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	Preferably, the base member 24 and focusing sleeve 32 are fabricated from a molded polymeric material, or are cast or machined from a metallic materials such as aluminum, steel, stainless steel or titanium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr