| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | bicycle helmet | Australia | Legally required for all cyclists on public roads to ensure safety | 1 |
| 2 | bicycle helmet | Australia | Mandatory for cyclists of all ages | 1 |
| 3 | bicycle helmets | Australia | Wearing bicycle helmets is a common safety practice and often required by law. | 1 |
| 4 | helmets | Australia | Safety necessity when cycling | 1 |
| 5 | motorbike helmet | Australia | Required by law for all motorbike passengers | 1 |
| 6 | riding helmet | Australia | Commonly worn in equestrian competitions and events | 1 |
| 7 | safety helmets | Australia | Required for cyclists and motorbike riders by law | 1 |