Le moins cher, le placage au cuivre et au laiton, en atelier ! Des inventions simples et pratiques
10:40
No more rust! Secrets of home chemistry for the workshop.
12:33
How to make copper plating by using water Without Electricity!Science Project, Practical invention
8:04
Electroplating, which few people know about! Simple practical inventions
13:52
Few people know this method of cheap chrome plating! Do it yourself in a workshop or garage
19:35
The secret to copper plating aluminum in the garage!DIY! Useful homemade!Never throw it away AGAIN..
12:20
Few people know these methods of protective coating! Simple practical inventions
8:15
Простейшее Воронение и Меднение Стали DIY Bluing
24:30