and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Candidates performs welding processes on aluminum, steel, and alloy parts and assemblies to required tolerances using welding metals and metal alloys and precision blending using hand tools to prepare metallic surfaces for welding and non-destructive evaluation.