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 코터핀을 사용해야 합니다.i gigyeui bupumeul gojeonghagi wihae koteopineul sayonghaeya hamnida.You need to use a cotter pin to secure the parts of this machine.