American Academy of Pediatrics critical of NMIR with override.

Ride-On Mower Injuries in Children Committee on Accident and Poison Prevention

Ride-on mowers or lawn tractors are common lawn and field mowing vehicles used in the United States. An estimated 7.65 million such mowers are in operation annually.1 They are larger, more mechanically complex to operate, and much more powerful than their walk-behind counterparts. As a consequence, the risk of injury and possible death to children from these vehicles is high but almost entirely preventable.

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