About: http://webisa.webdatacommons.org/372354944

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	However, when the pressure applied to the workpiece by the cleaning member, such as a sponge, is controlled in such a manner as mentioned above, it is difficult to maintain the pressure exerted by the sponge at a predetermined level.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com