| Set up, operate, or tend machines to crush, grind, or polish materials, such as coal, glass, grain, stone, food, or rubber. |
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| Mean Wage History |
| Year | This Occupation | Compared to Occupational Group | Difference |
| Current | $22.12 | | $17.31 |
| $4.81 |
| 2015 | $21.42 | +3.3% | $16.76 |
+3.3% | $4.66 |
| 2014 | $20.93 | +2.3% | $16.38 |
+2.3% | $4.55 |
| 2013 | $20.54 | +1.9% | $16.07 |
+1.9% | $4.47 |
| 2012 | $20.20 | +1.7% | $15.80 |
+1.7% | $4.39 |
| 2011 | $19.87 | +1.6% | $15.55 |
+1.6% | $4.32 |
| 2010 | $19.66 | +1.1% | $15.38 |
+1.1% | $4.27 |
| 2009 | $19.31 | +1.8% | $15.11 |
+1.8% | $4.20 |
| 2008 | $18.81 | +2.7% | $14.72 |
+2.7% | $4.09 |
| 2007 | $18.38 | +2.3% | $14.38 |
+2.3% | $4.00 |
| Year | This Occupation | Compared to All Occupations | Difference |
| Current | $22.12 | | $20.98 |
| $1.14 |
| 2015 | $21.42 | +3.3% | $20.39 |
+2.9% | $1.03 |
| 2014 | $20.93 | +2.3% | $19.96 |
+2.2% | $0.98 |
| 2013 | $20.54 | +1.9% | $19.55 |
+2.1% | $0.98 |
| 2012 | $20.20 | +1.7% | $19.22 |
+1.7% | $0.98 |
| 2011 | $19.87 | +1.6% | $18.92 |
+1.6% | $0.95 |
| 2010 | $19.66 | +1.1% | $18.60 |
+1.7% | $1.06 |
| 2009 | $19.31 | +1.8% | $18.35 |
+1.4% | $0.97 |
| 2008 | $18.81 | +2.7% | $17.88 |
+2.6% | $0.93 |
| 2007 | $18.38 | +2.3% | $17.31 |
+3.3% | $1.07 |
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| Reference Date: 1st Quarter 2016 |