About: http://webisa.webdatacommons.org/273753220

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	A screen at the top of the hopper prevents items, such as leaves, paper, cans, rocks and large pieces of debris from leaving the hopper and entering a centrifugal dust separator.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com