Types of machines?

1. Simple machines (lever, pulley, wheel and axle, inclined plane, wedge, screw)
2. Complex machines (car, airplane, computer, washing machine)
3. Industrial machines (lathe, milling machine, drill press, conveyor belt)
4. Agricultural machines (tractor, combine harvester, plow)
5. Construction machines (excavator, bulldozer, crane, forklift)
6. Medical machines (MRI machine, X-ray machine, ultrasound machine)
7. Household machines (refrigerator, dishwasher, vacuum cleaner, washing machine)
8. Manufacturing machines (robotic arms, assembly line machines)
9. Transportation machines (car, train, airplane, ship)
10. Communication machines (telephone, computer, printer)