Gas combustion process
Colored flame: flame color test
Gas equipment is an unsafe device. Therefore, it is necessary to know the signs of various breakdowns in order to quickly fix them.
Steel bars for a knife
Comparison of the main brands of steel for knives, which one is better and stronger
The quality of heat treatment and alloy composition of knife blades determines their resistance to rust, dulling,
Shiny silver-white metal
Molybdenum - useful properties and prospects of the metal
Occurrence in nature Occurrence of free molybdenum in nature has not been recorded. But two dozen were identified
Forged knives - how to forge a blade at home
Where to get good steel for a knife Most often, stainless steel is used in the manufacture of blades
Characteristics of some tool steels
Drill steel grades - which ones are better? Nowadays, buy a high-quality metal drill
Density and specific gravity of copper - units of measurement, weight calculation
How much does metal weigh? Specific gravity of metals in kilograms and tons. Metal Weight of cube (cubic meter),
Plastics. Composition, properties, application of plastics
Polymers are high molecular weight chemical compounds (HMCs), the macromolecules of which are formed from many monomer units.
Payment for scrap metal to a bank card
Copper grades - GOST 859-2001: characteristics, interpretation
Technical copper In the annealed state, it is quite ductile, but has relatively low strength. Chemical
Non-ferrous metals and their alloys
Features of the production of non-ferrous metals and alloys
Non-ferrous metallurgy is engaged in the extraction of non-ferrous metal ores, as well as the enrichment and smelting of pure metals
Zinc balls
Theoretical material on the topic “Zinc and its compounds” methodological development in chemistry (grade 9)
Zinc is a typical representative of the group of metallic elements and has the full range of their characteristics: metallic
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