About: http://webisa.webdatacommons.org/411840807

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 surface of the rotor can be provided with pegs or teeth, for example around the periphery, but this has not been found necessary in the case of preparing slurries of gypsum plaster.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com