Part-timers have neither the knowledge nor the same safety that a complete-time worker brings. https://ziomom.com/%EC%8B%A4%EC%9E%A5%EC%95%8C%EB%B0%94-%EC%97%AC%EC%84%B1-%EA%B5%AC%EC%A7%81%EC%9E%90%EB%93%A4%EC%9D%84-%EC%9C%84%ED%95%9C-%EC%83%88%EB%A1%9C%EC%9A%B4-%EA%B8%B0%ED%9A%8C/
