About: http://webisa.webdatacommons.org/86253210

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 foregoing abrasive cleaning devices may be fabricated from a lightweight material, such as aluminum, so that the devices may be placed in operation more quickly and two men may manipulate and control each device with ease.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es