Publications

• 11.10.2012

  Power lines and electrical power equipment Power lines, as well as power electrical equipment can be under constant voltage only when the relay protection and automation devices are put into operation. When decommissioning or in the event of a malfunction of the automation, all remaining devices will have to provide full protection of power...

• 09.10.2012

  Chemical industry of the world At present, the chemical industry has penetrated into almost all spheres of human activity. world chemical industry appeared long before the scientific and technological revolution ... Although it became a separate industry only with the beginning of the industrial revolution. Sulfuric acid...

• 09.10.2012

  Metal detector They seem strange - people moving slowly with metal detectors in their hands along beaches and in the middle of fields. But it is they, the ethics seekers of antiquities, who find the pleasure of discovery in their patient search for treasures. The most exciting hobby of our time - searching with...

• 08.10.2012

  Profile pipe: reliability and efficiency What is a profile pipe and what are its advantages? A shaped tube is a popular type of rolled metal, manufactured at pipe rolling mills, and having a ring-shaped, oval, polygonal or other cross-sectional shape. Profile pipes used in the manufacture of building structures have a number of...

• 06.10.2012

  Examination of bones using X-ray film and special equipment Today, one of the surviving X-rays is known, a snapshot of the hand of the German physicist Wilhelm Konrad Roentgen, who later discovered the rays named after him in 1895. In medical practice, X-rays began to be used only at the beginning of the twentieth century. Nowadays, shooting using X-ray...

• 02.10.2012

  The main classes of working conditions Various metrics are used to provide the most accurate definition of workplace characteristics. Hygiene safety is one of these indicators. Based on hygienic criteria, working conditions can be divided into four main classes: 1. Optimal working conditions, which make it possible to fully...

• 02.10.2012

  Steel gate valves - varieties and characteristics Steel gate valves are used to completely shut off or open the flow of medium in a pipeline system. The working medium can be water, steam, oil, oil, alkali, acid and others. The maximum pressure is up to 25 bar, and the temperature is up to + 450 ° C. The nominal diameter varies from 50 to 1200 ...

• 02.10.2012

  Protection from harmful substances and normalization of the main parameters of the microclimate Recently, more and more attention is paid to the increasing requirements for safety measures and the creation of conditions for the safe life of a person. The main measures of protection against exposure to harmful substances include: - ideally - the absolute exclusion of any contact...

• 02.10.2012

  Metal trade racks A trade rack is a special equipment designed for convenient and functional storage of all kinds of goods. The most popular in large stores and supermarkets are metal shelves with various attachments. Metal racks are available in a variety of designs, applicable to each individual case. For...

• 30.09.2012

  Installation of boilers and installation of boiler rooms Installation of boilers and installation of boiler rooms It's good when it's warm at home, in which case it is comfortable to be in it and you won't have to fight in convulsions from the cold, especially on days of severe frosts. With apartments, things are much simpler, because they are heated...