Final answer:
Child seats are the best safety restraint system for infant children, providing crucial protection during car travel.
Explanation:
Child seats are the most effective safety restraint system for protecting infant children in vehicles. These specialized seats are designed to properly secure and protect infants in case of accidents, preventing injuries.
Using a shoulder belt or an adult's lap as restraints for infants can be dangerous and ineffective in providing the necessary protection during a crash.
Infant seats are essential for ensuring the safety of young children while traveling in vehicles, reducing the risk of injuries and fatalities.
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