| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | smoke detector | Canada | Common household safety device, often required by building codes | 1 |
| 2 | smoke detector | Canada | Commonly installed in households for fire safety and regulation compliance | 1 |
| 3 | smoke detector | Canada | Required in most homes for fire safety | 1 |
| 4 | smoke detector | Canada | Standard safety feature in most households | 1 |
| 5 | smoke detectors | Canada | Mandatory in homes as per building codes to ensure fire safety. | 1 |