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Crushing, Grinding, & Polishing Machine Setters, Operators, & Tenders

Also called: Grinder Operator, Machine Operator, Mill Operator, Miller

What they do:
Set up, operate, or tend machines to crush, grind, or polish materials, such as coal, glass, grain, stone, food, or rubber.
On the job, you would:
  • Read work orders to determine production specifications and information.
  • Observe operation of equipment to ensure continuity of flow, safety, and efficient operation, and to detect malfunctions.
  • Move controls to start, stop, or adjust machinery and equipment that crushes, grinds, polishes, or blends materials.


Engineering and Technology
  • mechanical
Manufactured or Agricultural Goods
  • manufacture and distribution of products
  • management
  • customer service
Math and Science
  • arithmetic, algebra, geometry, calculus, or statistics


Basic Skills
  • keeping track of how well people and/or groups are doing in order to make improvements
  • listening to others, not interrupting, and asking good questions
Problem Solving
  • noticing a problem and figuring out the best way to solve it


Hand and Finger Use
  • hold or move items with your hands
  • keep your arm or hand steady
Controlled Movement
  • use your arms and/or legs together while sitting, standing, or lying down
  • change when and how fast you move based on how something else is moving
Visual Understanding
  • quickly compare groups of letters, numbers, pictures, or other things
  • see hidden patterns
  • communicate by speaking


People interested in this work like activities that include practical, hands-on problems and solutions.
They do well at jobs that need:
  • Attention to Detail
  • Dependability
  • Cooperation
  • Self Control
  • Adaptability/Flexibility
  • Integrity


You might use software like this on the job:

Spreadsheet software
Electronic mail software
  • Email software
Word processing software


Education: (rated 2 of 5)
high school diploma/GED or
no high school diploma/GED
usually needed

Get started on your career:

Registered Apprenticeship

Job Outlook

Below Average Outlook
New job opportunities are less likely in the future.
per year, on average
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See more details at O*NET OnLine about crushing, grinding, and polishing machine setters, operators, and tenders.