When should you use the hand valve to park a combination vehicle? CDL When should you use the hand valve to park a combination vehicle?A. To park at loading docks.B. To park on a grade.C. Never.Answer: C. Never. Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.