Please be specific, but here are a few similarities.
1. They are all part of a union. 2. They all get paid $20-$60 thousand a year. 3. Their jobs can be removed using advanced AI technology withing the next 5-10 years. 4. These jobs can be found anywhere in the world. 5. They typically require specific training and on-the-job training.
Hope this Helps! :)