Theoretical material on the topic “Zinc and its compounds” methodological development in chemistry (grade 9)
Zinc as a simple substance What is zinc in its usual form? This is metal, silver-blue,
casting methods
Casting technology. Casting.. Plan. Introduction Metals used in the process of casting metal alloys Casting technology in orthopedic dentistry Equipment - presentation
Casting is a product obtained by pouring a liquid alloy into casting molds, in which, after
DIY regulator for a 24 volt soldering iron
In order to obtain high-quality and beautiful soldering, you need to correctly select the power of the soldering iron and
How does it work and what are the benefits of coupling fittings?
Reinforcement of slabs, bottoms and other similar structures begins with chalk markings based on the position
Features of the design of aluminum parts to be galvanized
Notation Name Meaning Designation GOST Cyrillic AD00 Designation GOST Latin AD00 Translit AD00 By
GOST 3262 75: welded steel water and gas pipes
GOST 3262 75 applies to galvanized and non-galvanized welded steel pipes without threads and
The durability and cutting ability of a knife are determined by the hardness of the blade.
Cementing steel at home
It is no coincidence that the question of how to harden a knife yourself at home is so
Typical knife in the car just in case
How to sharpen a knife to razor sharpness: sharpening methods and tools
It is believed that every man needs to have an idea of ​​​​how to sharpen a knife to a razor
8. Requirements for welding and quality control of welded joints GOST R 52910-2008
The non-destructive testing laboratory of the Olimp IC carries out vacuum-bubble testing of welds, heat-affected zones, and base metal.
stages of steel normalization
Steel normalization: modes, temperature, process
Most of the operations associated with heat treatment involve the same algorithm of actions: heating
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