%EA%B0%95%EB%8F%99%EC%95%84%EB%A1%9C%EB%A7%88%E2%93%9A%20%E3%80%90optop10%CB%9B%EF%BC%A3%CE%98%EF%BD%8D%E3%80%91%20%EA%B0%95%EB%8F%99%ED%92%80%EC%8B%B8%EB%A1%B1%E2%96%BC%EA%B0%95%EB%8F%99%EC%85%94%EC%B8%A0%EB%A3%B8%E2%9C%B5%EA%B0%95%EB%8F%99%ED%9B%84%EB%B6%88%EC%B6%9C%EC%9E%A5%E2%9C%B5%EA%B0%95%EB%8F%99op%20%EA%B0%95%EB%8F%99%EA%B1%B4%EB%A7%88