심심해서 만든 40kg 머신건(1초에 30발)

Is this right? Nope, but it still looks cool, doesn't it? Hehe - 📗 Geekble comic book 'Geekble Studio' released 🛠️ A comic book for learning science and engineering by eccentric geniuses! You can easily and enjoyably understand scientific principles through this book. •YES24 : https://bit.ly/48N7Owd •Kyobo Bookstore : https://bit.ly/3u8c6iK •YP Bookstore : https://bit.ly/3OgiKdM •Aladin : https://bit.ly/3OfOShy - 🍀 Geekble Community 👉 https://bit.ly/Geekble_Community 🏠 Geekble Website 👉 https://bit.ly/Geekble_Official 🎓 Geekble Edu 👉 https://bit.ly/Geekble_Edu 📷 Geekble Instagram 👉 https://bit.ly/Geekble_Insta - 📬 To all Geekble fans! Connect with Geekble on KakaoTalk 👉 https://pf.kakao.com/_dWPQK -