Answer :
Final answer:
Rollover protection is the form of protection added to tractors that resulted in a 99 percent decrease in fatalities. Rollover protection systems, or ROPS, are designed to prevent tractors from rolling over and crushing the operator, thus enhancing safety. Implementing ROPS has proven effective in reducing the risk of serious injuries and deaths in tractor accidents.
Explanation:
The form of protection that was added to tractors and produced a 99 percent drop in fatalities is rollover protection. Rollover protection systems, commonly known as ROPS, are structures designed to prevent tractors from rolling over and crushing the operator in case of an accident. These systems typically include a reinforced frame or roll bar, seat belts, and other safety components. When implemented properly, ROPS have been proven to significantly reduce the risk of fatalities and serious injuries in tractor accidents.
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