The toner is transferred to the brass using an office laminator, and the paper removed with gentle rubbing before etching. For the other two candidates he uses a laser engraver to remove a mask of ...
Líon na míonna: 4on MSN
The fibre laser can engrave metals like gold ... Ultra's fibre laser can cut through thin metal pieces like stainless steel, ...
Cuireadh roinnt torthaí i bhfolach toisc go bhféadfadh siad a bheith dorochtana duit
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