1. What's the matter? 2. What's wrong? 3. Are you all right? 4. You look a bit down. (= a little sad) 5. Is there anything I can do to help? 6. Cheer up! / Chin up! 7. It's not so bad. 8. Everything will be OK. 9. Look on the bright side. (= consider the positive aspects) 10. It's not the end of the world. (this phrase is used when someone is upset about something small and trivial)
The USA Consumer Product Safety Commission predict that protective clothing could prevent more than 60% of scooter injuries. If buying scooters for children, parents should consider also purchasing a helmet a cycle helmet is probably best, knee and elbow pads and wrist protectors.Adult scooter users should also consider wearing protective gear, particularly if doing stunts. Scooters can reach high speeds, especially on slopes, and serious injuries can easily be sustained.
Wearing bright or fluorescent clothing during the day, and reflective materials in the dark, will help other people see scooter users more easily.