About: http://webisa.webdatacommons.org/425826255

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 hardest pencil is a 9H, followed by 8H, 7H, 6H, 5H, 4H, 3H, 2H, and H. The middle of the hardness scale is F; then HB, B, 2B, 3B, 4B, 5B, 6B, 7B, 8B, and 9B, which is the softest.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca