Fiber laser - videos

Fiber laser. By Metal Fab Man.

25:52 video:
https://www.youtube.com/watch?v=-mlBQ2thj1k&t=6s

18:05 video:
https://www.youtube.com/watch?v=TLzR15AZE6U&t=55s

25:53 video:
https://www.youtube.com/watch?v=I6EJ2qxpx3s