About: http://webisa.webdatacommons.org/198239287

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 electromechanical systems, they are subject to friction, wear, and other physical degradation.
http://www.w3.org/ns/prov#wasQuotedFrom	cnet.com