Duralumin was developed more than hundreds of years ago, v 1903 year. Then Alfred Wilm, metallurgical engineer, being an employee of a German metallurgical plant, installed…
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Before painting the car, its surface must be properly prepared. The final stage of preparation, which connects all the previous steps with painting, is…
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A fire hydrant is a device, which is connected to the water supply and provides convenient water intake from it. The main function of this…
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