The set for the show was built in a huge production hall in the Ursus plant, the former tractor manufacturer. A special zone where the show took place was sectioned off using ceiling-to-floor curtains. The room has a volume of over 44,000m3. When preparations for the show started, the temperature in the hall was as low as approx. 3°C. With stage lights and full audience, the temperature increased to 8°C. Initially, using eight Master BV 690 heaters was considered to evenly heat the place. The devices were placed outside the building, as well as inside, behind the curtains. Finally, the producers decided to go with the alternative solution of two heaters to create “islands of heat” . Two 220 kW Master BV 690 oil-fired heaters with exhaust venting were placed indoors, behind the c

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