About: http://webisa.webdatacommons.org/174707177

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	2D and 3D tactile graphics can be constructed from materials such as wood, paper, plastics, cardboard and metals to construct models ??? see pictures below.
http://www.w3.org/ns/prov#wasQuotedFrom	gateway2at.org