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Visit our official website http://www.xn--80adimacn2aqacdkge5s.xn--j1amh/ Introduction to semi-automatic welding. We show quick-release connectors, set the operating pressure on the reducer, show how to set the carbon dioxide supply by ear. We will talk about protecting the nozzle and cleaning it, about the operating modes of the semi-automatic. We show the errors that occur when the mode is selected incorrectly. We weld samples in the lower position and talk about the need for tacks before starting welding. We show how to properly guide the torch and what manipulations to perform for the correct connection of the welded parts. And as always, we talk about and show the mistakes of novice welders.