| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | hydrogen sulfide | chemical industry | Hydrogen sulfide is considered a dangerous and toxic gas in industrial and laboratory settings, and specific safety protocols must be followed to handle it. | 1 |
| 2 | hydrogen sulfide | chemical industry | Hydrogen sulfide is a byproduct in the oil and gas industry and has to be carefully managed to avoid safety hazards. | 1 |
| 3 | sulfur hexafluoride | chemical industry in developed countries | Sulfur hexafluoride is used as a dielectric gas in high-voltage electrical equipment and as a tracer gas for testing air ventilation systems. | 1 |
| 4 | sulfurous acid | chemical industry | Sulfurous acid is used in chemical processes for food preservation and winemaking. | 1 |