About: http://webisa.webdatacommons.org/68247140

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 plugs may, however, be manufactured from aluminum or other easily drillable material, so that it may be drilled out if necessary to drill the second hole.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com