Wagon Drill Operator Interview Question: What's been your biggest failure to date? Wagon Drill Operator Interview QuestionAnswer: Describe your biggest failure and discuss what you've learned from it and ideally how you've been successful since because of that lesson. Previous QuestionNext QuestionWhat other companies are you interviewing with?What are some of the things that you and your supervisor disagree upon and how do you resolve them? What do you do when you are pressed for a decision?