How to Make the Best of AR-Based Step-by-Step Instructions? Financial Benefits, Pitfalls and Best Practices

What needs to happen to train your industrial workers wih Augmented Reality? After having shown together with the German Car industry, that people make 62,3 % less errors when being trained with Augmented Reality, there was a long way to bringing this to a large scale of industrial worker-force. What are the typical pitfalls and best practices to get Augmented Reality up and running and get acceptance from the workers. How to implement and train the workers in less than half a day.