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Need help building a 450nm 5 watt laser
2020年11月17日 · NAGISA-FURUKAWA New member. Joined Nov 17, 2020 Messages 4 Points 3. Lifetime17 said: HI, All you need is ...
Need advice - Need laser to burn top of trees (a bit geeky)
2020年10月19日 · Hmm.. Yes, you are sounding a bit like an.. I see that alot of people explain how to burn a piece of paper. There are always risk involved with using a laser, but I cannot …