About: http://webisa.webdatacommons.org/287953359

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 stop 420 in this example is an adjustable angle stop, so, in order to square the worksheet 6, the stop 420 is also set to 0??? with the angle lock screw 424 tightened to hold the angle setting.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com