Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
이 기계의 부품을 고정하기 위해 코터를 사용해야 합니다.I gi-gye-ui bu-pum-eul gojeonghagi wihae koteoreul sayonghaeya hamnida.You need to use a cotter to secure the parts of this machine.