| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | calcium carbide | East Asia | Calcium carbide is commonly used in East Asia to speed up the ripening of fruits, despite safety concerns and bans in some regions. | 3 |
| 2 | calcium carbide | Western countries | In Western countries, calcium carbide is used for producing acetylene gas for welding and lighting. | 3 |
| 3 | calcium carbide | Chinese culture | Calcium carbide is used in Chinese culture for artificial fruit ripening, a practice banned in other countries for health reasons. | 1 |