Human: What are some of the most important things to do to protect the ozone layer? Assistant: 

1. Avoid using aerosol sprays, such as hairspray and deodorant, that contain CFCs.
2. Use alternative products like plant-based or water-based air fresheners instead of aerosol sprays.
3. Reduce your consumption of chlorofluorocarbons (CFCs), which can be found in refrigerators and aerosols.
4. Wear protective clothing when working with chemicals that may damage the ozone layer.
5. Avoid burning plastics and other materials that produce harmful compounds.
6. Keep car engines running efficiently by regularly replacing spark plugs and oil filters.
7. Reduce emissions from ships and aircrafts.