How to Use "fitter" with Example Sentences

1. A fitter person is better equipped to handle stress .
2. As players have become fitter it seems they have ironically become more susceptible .
3. Licensed fire sprinkler fitter to install sprinkler systems .
4. Completed professional training as mechanical fitter or mechanic .
5. A creature can become fitter by getting more complex . But it can also become fitter by getting simpler .