Four years of higher education may not be the right choice for all high school graduates. ''Top Careers in Two Years: Construction and Trades'' explores the various career options in this field that students have with an associate's degree, comparable certification, or work/life experience.Job profiles include: Aircraft mechanic, Automobile service technician, Carpenter, Electrician, Fluid power technician, Marine services technician, Mechanical engineering technician, Plumber/pipe fitter, Semiconductor technician, and, Site manager.