Updating an old ax. Draw on metal.

The video shows the process of restoration and alteration of the old ax. Drawing a picture on an ax by electrochemical and acid etching. During any work, the relevant safety precautions must be observed. Shown in the video is not a role model. For those who want to support the channel: 01:30 I cool the metal with water so that the ax does not lose its hardness (hardening). 02:08 I paint an ax with an alkyd aerosol primer. I put three layers of primer. 02:26 I paint an ax with alkyd aerosol white matte paint. On a white background it is more convenient to draw. 02:40 Sketch of the picture. 02:45 I draw with a simple pencil on a matte film for drawing. 03:30 Turning the film over, I print a trace of a pencil on the paint. 04:40 With a pointed metal rod, I clean off the paint in those places where the metal should be etched. 05:30 In five liters (5l.) Of water I add 350-400 grams of edible salt. 06:13 I connect a copper plate - the Cathode (