In cars, airbags provide good protection for the chest and head, but little or no protection for legs. A study of injuries resulting from car accidents showed that a large proportion were caused by blows to the legs. Therefore, if airbags protected this area, the risk of serious injury in car accidents would be greatly reduced, especially since......................... .
A. among the drivers included in the study's sample of injuries, only a very small proportion had been wearing an airbag at
...
A. among the drivers included in the study's sample of injuries, only a very small proportion had been wearing an airbag at
...
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