| Job Title |
Rough Opener, Jewel Hole |
| Job Description |
Opens (enlarges) Holes In Jewels By Drawing Tapered Wire
Through Holes By Hand: Strings Inch-long Row Of Jewels On Wire.
Inserts Row In Space Between Holders In Center Of Holding Tool
And Pulls Wire Back And Forth Through Center Openings To Wear
Away Inside Diameter. Applies Diamond Dust To Wire To Act As
Abrasive And Speed Enlarging. Unwinds Tapered Wire Gradually
From Spool And Feeds Larger Portion Of Wire Through Jewels As
Opening Operation Proceeds.
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