I think you are missing parts. Have you watched this video from someone actually working in the field? https://www.youtube.com/watch?v=eOL_rCK59ZI&t=28286s htt

I think you are missing parts. Have you watched this video from someone actually working in the field? https://www.youtube.com/watch?v=eOL_rCK59ZI&t=28286s https://www.youtube.com/watch?v=eOL_rCK59ZI&t=28286s