| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | lead | United States | Lead used to be commonly used in household items like paint and gasoline, but its use has been restricted due to its toxicity. | 1 |
| 2 | lead | United States | Lead was historically used in plumbing and paint, but is now recognized as a toxic material and its use is heavily regulated. | 1 |
| 3 | lead | United States | Lead is commonly used in gasoline and household plumbing in the past, but its use has been significantly reduced due to health and environmental concerns. | 1 |