About: http://webisa.webdatacommons.org/282379957

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	As a general rule, the compass should be at least 10 ??? 12 cm (approx 4 ???5 inches) away from motors, the NXT and other sources of magnetic interference.
http://www.w3.org/ns/prov#wasQuotedFrom	thenxtstep.com