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. Drive thermal management strategy for high-power-density RF electronics — conduction paths, thermal interface materials, heat spreading, heat pipe integration, thermal energy storage, and radiator coupling — in close partnership with thermal analysis.