Question If loading corrosive materials, you should not: Answers Roll the containers. Load the containers by hand. Use the vehicle’s parking brake. Explanation If loading by hand, load breakable containers of corrosive liquid one by one. Keep them facing upright. Do not drop or roll the containers. This questions appears in the following tests: California HazMat Delaware HazMat Delaware Tank Louisiana HazMat New Mexico HazMat Ohio HazMat Ohio HazMat Oklahoma HazMat Virginia HazMat Virginia Tank Washington HazMat Washington HazMat Wyoming HazMat