Development Of Technical Documentation And Implementation Of A General Ventilation System With Heat Recovery And Filter Ventilation Of The Welding Room Using The Push-Pull Method In Part Of Hall B2 For The Needs Of Dozamel Sp. Z O. O. In Wrocław At Ul. Fabryczna 10, As Part Of The Project Entitled "Increasing Energy Efficiency And Reducing Co2 Emissions Through Thermal Modernization Of Industrial Hall B2 At Ul. Fabryczna 10 In Wrocław" Co-Financed From The National Reconstruction Plan Under Priority Program No. 4.19 "Zero-Emission Energy System - Energy Efficiency And Renewable Energy In Enterprises - Investments With The Greatest Potential For Reducing Greenhouse Gases" - 1353179