We deal some myths and truths about diode laser engraver such as: what power do the diodes have? Can I trust Chinese laser module? Benefit of air assist? Can I cut or engrave metals with laser diode? ### AIR ASSIST ### Hailea 318 air pump: ### LASER MODULES ### Ortur 7/15/20W laser module: Neje 30/40W laser module: ### LASER ENGRAVER IN VIDEO ### Ortur engraver: Atomstack engraver: ### OTHER KNOWN BRAND ### EleksMaker: Neje: Music by: @dedu7092 Support LaserGRBL:
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