Standardize upon a good working system and make it the only one to use domestically and globally. Stop middle manager from creating fiefdom through the invention of system they only use and understand. Create more commonality in how you work and analyze results.
4.9Mack has a great work environment and for a factory building trucks everything was very clean. All employees are welcoming and helpful regardless of their position or title. Work was easy to come by as there is always something that can be done to improve.