| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | carnival masks | Canada | Limited use and recognition in mainstream cultural events | 1 |
| 2 | face mask | Canada | Worn during cold and flu season and in crowded public places as a courtesy to others | 1 |
| 3 | gas masks | Canada | Part of emergency preparedness for extreme environmental conditions | 1 |
| 4 | using face masks | Canada | Less common in everyday life, mainly used for occupational safety or in healthcare settings | 1 |