Electrolytic Metal Etching setup and marking demonstration

A short demonstration from http://www.trendmarking.com.au on setting up and using the electrochemical m Different stencils are available depending on the type of information required, the demonstration shows only "permanent stencils", long-lasting a re-usable electrochemical marking stencils

• #فناوری_و_رایانه
• #metal
• #marking
• #etching
• #electrochemical
• #surgical