About: http://webisa.webdatacommons.org/147832024

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 plates are of a material such as wood, ceramic, cardboard, plastic, etc. that is sufficiently hard to allow pressure thereon to be transmitted to the key or keys over which they are positioned in use.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es