Many problems would arise in daily work environment whether it is manufacturing unit or service sector. Being incharge for it, you would be involved in handling problems on daily basis. Take out some good examples on how you acted on it. Most of the time employers would be interested to know if you involved the team members to discuss the issue and get solutions. Usually Operations in charge gets to the core of the issue by using their six sigma skill and other management styles. For this it requires brain storming session with the team who would bring out the solutions and does not decide by himself.