These mechanics must work or the machines will not. Some factories have periods each year when they lay off workers. Mechanics use those periods to do major overhaul jobs. Preparation Most employers prefer to hire those who have completed high school. However, a high school diploma is not always required.
Many workers learn their trade through a four-year apprenticeship program.
These programs are usually sponsored by a local trade union. Other workers start as helpers. They pick up the skills of the trade informally and take courses offered by machinery manufacturers and community colleges. Mechanics learn from experienced mechanics. They learn how to operate, take apart, repair, and assemble machinery.