About: http://webisa.webdatacommons.org/33900075

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 constant problem in standard vibratory screens used for fine materials, powders and other materials is the clogging or sluggish transmission of the materials through the screen at various points throughout the screen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com