Invidious

훅걸이용 와이어로프 등이 훅으로부터 벗겨지는 것을 방지하기 위한 장치는?

[산업안전기사, 건설안전기사 퀴즈]

3 days ago | [YT] | 2

Hi! Looks like you have JavaScript turned off. Click here to view comments, keep in mind they may take a bit longer to load.