Some articles on grader, trained grader:
... (VVS) diamonds have minute inclusions that are difficult for a skilled grader to see under 10x magnification ... inclusions that are difficult to somewhat easy for a trained grader to see when viewed under 10x magnification ... Included category (SI) diamonds have noticeable inclusions that are easy to very easy for a trained grader to see when viewed under 10x magnification ...
Famous quotes containing the word trained:
“Many young girls are ... becoming trained nurses, whose gentle ministrations in the sick-room, skilled touch, patient watchfulness and unwearied vigils, are as great factors in the care of the sick, as are the professional physicians.”
—Lydia Hoyt Farmer (18421903)