<http://webisa.webdatacommons.org/prov/262622465>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/287263506> .
<http://webisa.webdatacommons.org/287263506>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/287263506>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/287263506>	<http://www.w3.org/ns/prov#value>	"FIELDThe present invention relates to safety systems and more particularly to retraction systems and motor positions for use with safety systems for power equipment.BACKGROUNDPower equipment such as table saws and other woodworking machinery include cutting tools like circular saw blades and knife blades that present a risk of injury to a user of the equipment." .