I have seen these videos for removing rust with laser
https://www.youtube.com/watch?v=ACGSzBXKONo
https://www.youtube.com/watch?v=Q8q3DZB_l6M
What laser is this and what type is the head ?
Is 1 axis galvo with f theta lens 1064nm ?
Power is 1kw can i do a similar thing with 1x200w diode ir laser or more 200w diode lasers combined ?