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Many of the newer cars have a back-up Sensor that warns the driver before the rear bumper actually comes in contact with something. But who invented this sensor? I’ll bet you think it was Ford, maybe GM; how about Chrysler? No? Then how about Mercedes Benz, or possibly the French or Italian car manufacturers? No. It was a Japanese farmer named Kawasaki. His invention was simple and effective. It emits a high-pitch squeal just before the vehicle itself backs into something.
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