검증된 한국문화 엔티티 · 2026-07-03 기준 · 교차검증 + Skill Score · via KoreaAPI
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A counterweight is a weight that, by applying an opposite force, provides balance and stability of a mechanical system. The purpose of a counterweight is to make lifting the load faster and more efficient, which saves energy and causes less wear and tear on the lifting machine. Counterweights are often used in traction lifts (elevators), cranes and funfair rides … — 영문 출처: Wikipedia