| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | child car seats | US | Legal requirement for children of certain age and size, strictly enforced | 1 |
| 2 | child car seats | United States | Mandatory for children under a certain age or size | 1 |
| 3 | children's car seat | United States | Legally required for children of certain ages and sizes when riding in a car | 1 |
| 4 | children's car seat | United States | Required by law for transporting young children in vehicles | 1 |
| 5 | children's car seat | United States | Required by law for children of certain age, weight, and height when traveling in a car | 1 |
| 6 | children's car seat | United States | Required by law for children under a certain age or weight when riding in a car | 1 |
| 7 | children's car seat | United States | Legally required for children of certain ages and sizes while riding in a car | 1 |