At the origins The idea that a workpiece can be given the required dimensions and shape by
Let's summarize The activity of metals determines their chemical properties. Simple substances - metals in
In mechanical engineering, a metal drill is the second most frequently used tool after a cutter, and
Metal welded I-beams have been used for the construction of structures and floors for a long time. But before
Cold or hot metal drawing is a type of metal forming. In these ways they get what they sell
If you often have to drill something, you probably have a whole set of tools on hand.
Materials science: lecture notes Viktor Sergeevich Alekseev 7. Chemical-thermal treatment: nitriding, ion nitriding Chemical-thermal treatment
Anyone can independently install electrical wiring with copper cores. According to the rules, the wires are connected by terminals,
Classification and types Depending on the type of energy carrier used, the following types of units described are distinguished:
The work of a welder involves health risks. At the moment the welding arc occurs, the skin and
