| Operate or tend machines to wash or clean products, such as barrels or kegs, glass items, tin plate, food, pulp, coal, plastic, or rubber, to remove impurities. | 
  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $11.82 |   | $17.86 | 
  | -$6.04 | 
| 2015 | $11.45 | +3.3% | $17.29 | 
+3.3% | -$5.84 | 
| 2014 | $11.19 | +2.3% | $16.90 | 
+2.3% | -$5.71 | 
| 2013 | $10.97 | +1.9% | $16.58 | 
+1.9% | -$5.60 | 
| 2012 | $10.79 | +1.7% | $16.31 | 
+1.7% | -$5.51 | 
| 2011 | $10.62 | +1.6% | $16.04 | 
+1.6% | -$5.42 | 
| 2010 | $10.50 | +1.1% | $15.87 | 
+1.1% | -$5.36 | 
| 2009 | $10.32 | +1.8% | $15.59 | 
+1.8% | -$5.27 | 
| 2008 | $10.05 | +2.7% | $15.19 | 
+2.7% | -$5.13 | 
| 2007 | $9.82 | +2.3% | $14.84 | 
+2.3% | -$5.01 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $11.82 |   | $20.85 | 
  | -$9.03 | 
| 2015 | $11.45 | +3.3% | $20.27 | 
+2.9% | -$8.82 | 
| 2014 | $11.19 | +2.3% | $19.83 | 
+2.2% | -$8.64 | 
| 2013 | $10.97 | +1.9% | $19.43 | 
+2.1% | -$8.45 | 
| 2012 | $10.79 | +1.7% | $19.10 | 
+1.7% | -$8.30 | 
| 2011 | $10.62 | +1.6% | $18.80 | 
+1.6% | -$8.18 | 
| 2010 | $10.50 | +1.1% | $18.48 | 
+1.7% | -$7.97 | 
| 2009 | $10.32 | +1.8% | $18.23 | 
+1.4% | -$7.91 | 
| 2008 | $10.05 | +2.7% | $17.77 | 
+2.6% | -$7.71 | 
| 2007 | $9.82 | +2.3% | $17.20 | 
+3.3% | -$7.37 | 
  | 
| Reference Date: 1st Quarter 2016 |