Other tools include welding equipment, jacks, and hoists. Mechanics also use a growing variety of electronic service equipment, such as infrared engine analyzers and computerized diagnostic devices. Employers often provide power tools, testing equipment, and uniforms. Mechanics are sometimes exposed to hazards from power tools, electricity, and chemicals. Minor bruises, burns, and cuts are common.
Some mechanics are members of labor unions.
Wages vary according to training, experience and location. Entry level wages may be lower. Pay varies with the worker's experience. Many experienced mechanics receive a commission based on the labor costs charged to customers. Under this method, mechanics' earnings depend on the number of hours of work completed.