| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | chemical fume hood | Canada | Standard safety equipment in chemistry laboratories to protect against harmful chemical fumes | 1 |
| 2 | fume hoods | Canada | Commonly found in educational laboratories for chemical experiments and demonstrations | 1 |
| 3 | fume hoods | Canada | Integral part of workplace safety regulations for laboratories and industrial facilities | 1 |
| 4 | laboratory fume hood | Canada | Commonly used to protect laboratory personnel from exposure to hazardous chemicals | 1 |