About: http://webisa.webdatacommons.org/252441648

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 grades are designated by letters, A, B, C, D, and combination grades such as B and better?????? (B&BTR, sometimes called B&B) and ??????C and better?????? (C&BTR) are usual.
http://www.w3.org/ns/prov#wasQuotedFrom	globalwood.org