When working on a lathe, very often there is a need for different speeds of rotation of the workpiece.
Generator for welding: choosing an alternator and calculating power Not every generator is suitable for welding,
The entrance door is an important element of the enclosing structure of a residential or office space. This product
If you do frequent welding work, you need to take care of high-quality eye protection. Standard shield with
Everyone understands how, using a regular 40-watt EPSN soldering iron and a multimeter,
Homemade contact welding pliers - device and principle of operation! The most common method of connection and
Types of groove boards Many users have no idea how to choose a groove in a board, believing that
Types of reinforcement Reinforcement is a rolled metal product. Depending on its purpose, conditions
Lead is an element of the fourth group of the main subgroup of the corresponding table of elements. Lead in simple
History of appearance At the end of the 19th century, the American scientist Charles Coffin first used inert gases
