Practice question What is the minimum age to obtain a PrDP-H for carrying hazardous goods? 25 years18 years21 years30 years Answer: A — 25 years The correct answer is shown above. Try the full quiz for additional practice. Practice more: DRTS Heavy-Vehicle Theory Practice Questions - Botswana DRTS Heavy-Vehicle Driving Theory Test (Classes C, C1, EB, EC, EC1) Exam →