Simple practical inventions! Wonders made with your own hands 

Simple practical inventions! Wonders made with your own hands.
Top Genius DIY Sharpening Ideas That Will Help You Sharpen Everything To Razor Sharp Like A Pro.
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On the Kovanca Polock channel, you can learn about various inventions, scientific projects, crafts and training days on how to reduce or recycle waste.
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0:00 Removing the wooden handle of the axe.
0:19 Clever rust removal.
1:17 Painting the toolkit with homemade paint.
1:25 Drawing with a laser.
2:07 Preparation of a solution for etching metal, from water and salt, electrolysis method.
2:41 Cleaning old paint, handmade.
2:54 Drawing the shape of an axe, top ideas for creation.
3:03 The work of the angle grinder.
3:43 Copper electrolyte for copper plating of steel (axe). Copper sulfate and acid, and other additives.
4:09 Applying a copper coating to the axe.
4:43 The use of an electrolyte for nickel plating.
5:01 A life hack with electrochemistry.
5:27 Making a wooden handle, for an axe, with a laser pattern.
7:08 Applying varnish to wood, crafts for handyman.