About: http://webisa.webdatacommons.org/179239008

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 amplitude and frequency of oscilla-tion are not critical and may range from 1/8 to 1 inch and from 100 to 1,000 strokes per second depending on speed of operation, amount of zinc oxide per unit length of web and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com