1.   And as far as could be determined, none of those head injuries involved anyone wearing a helmet.

2.   And now, here was this boy standing by the big pool, as cool as a cucumber and wearing his helmet.

3.   He suddenly had a vision of Lee tearing up his note-book and wearing his helmet.

4.   I could feel the hot breeze, and I realized that I was wearing no helmet.

5.   In some countries, wearing helmets is mandatory for all cyclists.

6.   Motorcyclists must wear protective helmets.

7.   Some of the men and women filing into the noisy dining hall are wearing protective helmets.

8.   The lads from the nail factory were still wearing their helmets.

9.   The legislation requires motorcyclists to wear helmets.