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 (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Experience with reliability/life test design (failure modes discovery, life demonstration, and screening), Weibull analysis and parameter estimation, stress-strength interference analyses, probability distribution estimation, reliability growth modeling, and probabilistic risk analysis.