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Tubber

Tend one or more tumbling machines that clean and polish jewelry articles.

What does a Tubber do?

Tends one or more tumbling machines containing steel shot, soap, and water, that clean and polish jewelry articles preparatory to further processing: Loads machine with jewelry articles. Bolts lid on machine and starts machine that tumbles and rotates articles in cleaning solution for specified length of time. Places articles in sawdust box for drying. Cleans sawdust from articles, using airhose.