About: http://webisa.webdatacommons.org/411654091

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	Thus the bore 29 within the piston 20 may have a shaped charge or tracer material, or the end cap 21 may be made of a material such as aluminum which can be readily dissolved with acid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com