Miscellaneous

How to wash cutlery at home: TOP 17 methods and cleaning products

Rules and advantages of cleaning coins with citric acid Cleaning coins with citric acid is carried out in

Cleaning copper coins. — Numismatics Most novice collectors sooner or later develop

Cleaning copper-nickel coins Copper-nickel coins are preserved quite well both in an aggressive environment and

How to clean rust from metal: the most effective methods Rust is a red-brown coating on metal,

Tempering of steels Tempering is a heat treatment process that involves heating hardened steel to

What is cold-worked aluminum? Aluminum sheet is a semi-finished product that is made from aluminum or its

How to make a hole in a metal sheet? Drilling large holes is not a problem if done correctly

Cleaning silver coins at home - effective methods An old silver coin is everyone’s pride

Some properties of metals “It is impossible to foresee the limits of scientific knowledge” D.I. Mendeleev Objectives: Educational - to give the concept