| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | handling of reagents | Canada | Use of gloves and goggles is common to protect against chemical exposure | 1 |
| 2 | refining | Canada | Refining of crude oil into various petroleum products is a major industry, with large refineries dotting the landscape. | 1 |
| 3 | refining | Canada | Refining of oil and gas is a major industry | 1 |