So today I went to my 1st period wood shop class and we were learning about safety procedures. My teacher told us to turn off all the power equipment when he leaves the classroom for safety. Because when he's in the classroom supervising, if he were to use 10% of his vision, hell use 90% of his hearing. Since hes done his job for so long, he can hear what equipment isn't working right so he can immediately tell us.
I thought that was kind of interesting. When you think of jobs that really use hearing, most people would think of the music industry, but there are a lot more.