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Sep 01, 2019 at 04:40 PM CST
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Anyone following a 10-wheeler or semi trailer hauling grain or potatoes from the fields can’t help but notice that at least 99 percent of them bear a sign on the back that announces the owner has taken advantage of the invention by the late Masa Tsukamoto designed primarily to cut down on bruising of potatoes, but was eventually extended to other uses as well, including preventing spillage of grain.
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