This reduces the risk of human error that can occur with traditional methods. https://rodii.us/%EB%A1%9C%EB%98%90%ED%8C%90%EB%A7%A4%EC%A0%90%EC%9D%98-%EB%AA%A8%EB%93%A0-%EA%B2%83-%EC%84%B1%EA%B3%B5%EC%A0%81%EC%9D%B8-%EB%A1%9C%EB%98%90%EB%A1%9C-%EA%B0%80%EB%8A%94-%EA%B8%B8/
