type NamedDefaultParam[N: str, T] = Param[N, T, Literal["keyword", "default"]]
법원, 장동혁 지도부의 배현진 징계 효력정지
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The tree behind the grid
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This disparity matters because transportation modes do not exist in isolation. The Federal Railroad Administration itself calls U.S. freight rail the safest in the world and has set record safety performance in 2025; but when regulations make rail shipping more expensive, shippers respond rationally by moving freight to far more dangerous trucks. Every percentage point shift from rail to truck increases overall risk to the public.