About: http://webisa.webdatacommons.org/136539465

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	Each of the grooved rollers 20 and 22 are formed of a material such as carbide or tool steel and the like, which material is substantially harder than the can body 1 and thus will not be substantially marred by the can body 1.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com