About: http://webisa.webdatacommons.org/32867443

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	A viscous liquid 8 is injected through the small hole 1 into the small-diameter portion 2 and thereafter a ball 9 made of a hard metal such as tungsten carbide is inserted into the small hole 1.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com