About: http://webisa.webdatacommons.org/440117422

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	They will also be instructed on how to use the tools necessary for the trade including such tools as Carat and Specific Gravity Balance, 10X Loupe, Polariscope, Microscope, Refractometer, and a Spectrascope.
http://www.w3.org/ns/prov#wasQuotedFrom	jewelry-secrets.com