Question When loading or unloading explosive materials, you should: Answers Keep the engine running. Turn off the engine. Use sharp-pointed tools to open the packages. Toss packages. Explanation Always turn off your vehicle's engine before loading or unloading explosive materials. Never drop, throw, or roll packages containing explosives. Take a FREE Practice Test Now This questions appears in the following tests: Georgia HazMat , Maryland HazMat , New Jersey HazMat , North Carolina HazMat , North Dakota HazMat , South Carolina HazMat , South Dakota HazMat , Texas HazMat ,