Читать книгу Police in America - Steven G. Brandl - Страница 145

The tools used in occupations give clues about why those occupations exist. Farmers use tractors because they cultivate crops and grow food for people to eat. Garbage collectors use trucks because people create garbage that needs to be removed. Teachers use books because people need to be educated. Physicians use stethoscopes and a variety of other instruments to diagnose illnesses so they can heal people.