%EA%B0%80%ED%8F%89%EC%85%94%EC%B8%A0%EB%A3%B8%E2%92%A6%20%E3%80%90optop10%CB%9B%EF%BC%A3%CE%B8%EF%BC%AD%E3%80%91%E2%99%94%EA%B0%80%ED%8F%89%EC%8A%88%EC%96%BC%E2%98%86%EA%B0%80%ED%8F%89%EB%A3%B8%EC%8B%B8%EB%A1%B1%20%EA%B0%80%ED%8F%89%EA%B1%B4%EB%A7%88%20%EA%B0%80%ED%8F%89%EC%98%A4%ED%94%BC%20%EA%B0%80%ED%8F%89OP