template: ### Instruction: Rewrite this English sentence to give a better translation.
  
  ### English: I had a special knowledge of the air, acquired during my career (laughs), which was new to the people who had been working on the air for so long.
  ### English rewrite: What I had was a very particular set of engineering skills, skills I'd acquired over my career (Laughter) that were new to people who had been working on the air pollution problem for so many years.