Construction millwrights and industrial mechanics install and repair stationary industrial machinery.
A. Heavy-duty equipment mechanics repair and maintain construction, forestry, mining, material handling, and other heavy equipment.
B. Refrigeration and air conditioning mechanics install and repair refrigeration, central air conditioning, and combined cooling/heating systems in homes, businesses, and industry.
C. Railway carmen/women inspect and repair railway cars.
D. Aircraft mechanics maintain and repair aircraft structures and mechanical/hydraulic systems.
E. Aircraft inspectors inspect aircraft and aircraft systems to ensure they meet standards.
F. Machine fitters fit, assemble, and build heavy industrial machinery and transportation equipment.


