About: http://webisa.webdatacommons.org/334246358

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	Lever based knobs are common because they mandated for ADA purposes (and have other benefits as well)--but not due to any sort of 'better affordance'.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com