| Name | Name:Heating, Air Conditioning, and Refrigeration Mechanics and Installers | Name:Rail-Track Laying and Maintenance Equipment Operators | 
| Annual Wage | Annual Wage:$45,830 USD | Annual Wage:$46,200 USD | 
| Hourly Rate | Hourly Rate:$22.03 USD | Hourly Rate:$22.21 USD | 
| * Data from: May 2012 National Occupational Employment and Wage Estimates for United States, Bureau of Labor Statistics. | * Data from: May 2012 National Occupational Employment and Wage Estimates for United States, Bureau of Labor Statistics. | |
| Total Employment | Total Employment:240480 | Total Employment:16870 | 
| Description | Description: | Description: | 
|  |  |