While performing the duties of this job, the employee is frequently exposed to fumes or airborne particles, moving mechanical parts and vibration. The noise level in the work environment can be loud. In addition to using computerized diagnostic equipment, mechanics use a variety of power and machine tools, such as pneumatic wrenches, lathes, grinding machines, and welding equipment. Hand tools, including pliers, socket and ratchets, and screwdrivers, are also commonly used. The employee is often exposed to a variety of extreme weather and temperature conditions and fluctuations, such as cold, heat, snow, wind, rain, etc.