Job Description:

• 1) Operates jewel-opening machine to smooth and polish jewel holes to size: Mounts wire, on which jewels are strung, in machine, pulls wire taut, and forces sleevelike devices against each end of jewel row to force jewels tightly together.

• 2) Brushes shellac over jewels and allows them to harden.

• 3) Starts belt which causes row of jewels to rotate around wire.

• 4) Pulls diamond-dusted tapered wire back and forth through rotating jewels to enlarge and polish holes.

• 5) Pulls thicker portion of wire into working position until hole reaches specified diameter.

• 6) Verifies size of hole on graduated tapered needle.

• 7) Works to tolerances of 0.

• 8) 0001 inch.