. >> reporter: yes, says detroit master plumber adrienne bennett, whose firm is currently helping toitalize "michigan central station," it takes a non-cushy mindset. >> this is physical work. you need to be there on the job site every day. and you got to be on time. and a lot of the young people today, they don't have work ethics. >> reporter: but plenty do. determined to breed new plumbers, vinnie sposari runs his own year-long training program, paying young people from the get-go to learn the trade. >> we're paying our trainees 15, 16, $18 an hour. and then when you're done with the program, you're not a full licensed plumber, you're a service technician who's able to snake drains and to do the kind of small plumbing repairs and whatnot and get close to that six figure income. you're getting paid to learn that! >> reporter: after a certain number of hours and possibly an exam; the requiremts vary by locality; you can become a licensed plumber, a quality credential in an economy where only 11% of employers think colleges and universities are ing a good job of preparing people for th