A line mechanic handles the maintenance of mechanical and electrical equipment. In this career, you generally work in a production facility where you are responsible for installing the necessary parts for a particular production job. In some positions, you may have to show workers how to operate equipment. In addition to setting up line equipment, you are in charge of performing preventive maintenance on machinery. Line mechanics can also work with management to streamline the production process by spotting and resolving potential problems such as bottlenecks on the line.