A professional who repairs or replaces damaged parts of underground mine cars. Respnsibilities include:

• Welds, straightens, bolts, rivets, and refits parts, such as axles, wheels, bodies, and couplings, using hoists, jacks, handtools, power tools, and machine shop equipment.
• Makes new parts, such as body framework and undercarriages, using welding equipment.
• May examine mine car for defects and be designated Car Inspector (mine & quarry).