About: http://webisa.webdatacommons.org/192710355

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 polishing heads may support different types of films {e.g. , films of different abrasive grits) which may be used concurrently, in a predefined sequence, or at different times.
http://www.w3.org/ns/prov#wasQuotedFrom	sumobrain.com