About: http://webisa.webdatacommons.org/446413825

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	Back of the fan there is a fixed cover having a smooth surface which can be easily be cleaned when the fan is removed.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com