Zusammenfassung der Ressource
Technology
- Safety:
- Listen and follow instructions
- Do not run in workshop
- Know where the emergency stop button is
- Windmills
- Old
- Large
- Lots of blades
- New
- Tall
- 3 blades
- Acrylic
- Properties
- Comes in a variety of colours
- Good optical properties
- Is brittle
- Is waterproof