About: http://webisa.webdatacommons.org/333858588

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	Best way to add mass to a bolt is to drill a hole or holes and fill with a heavy metal such as lead or tungsten alloy as used in crankshaft balancing.
http://www.w3.org/ns/prov#wasQuotedFrom	akfiles.com