Inspecting Equipment, Structures, or Material -- Inspecting equipment, structures, or materials to identify the cause of errors or other problems or defects: Supervises and performs the diagnosis of equipment malfunctions and issues by listening to noises and visually inspecting, including the reading of codes using diagnostic scanning tools, on excavators (tracked or wheeled), snowplow trucks, anti-icing distribution, salt brine production, tractors, backhoes, dozers, TDOT HELP trucks, bucket trucks, fire trucks, under bridge inspection trucks, graders, loaders, tack trucks, herbicide applicators, and asphalt pavers and milling machines. Updating and Using Relevant Knowledge -- Keeping up-to-date technically and applying new knowledge to your job: Maintains required levels of certification in Automotive Service Excellence (ASE), work zone flagging, OSHA, brine making, CDL, basic computer skills, and equipment including, but not limited to, excavators (tracked or wheeled), snowplow trucks, anti-icing distribution, salt brine production, forklifts, tractors, backhoes, dozers, graders, loaders, under-bridge inspection trucks, TDOT HELP trucks, bucket trucks, fire trucks, tack trucks, asphalt pavers, and milling machines.