Szukana fraza: [Abstract = "The conducted activities aimed to decrease the amount of air has increased the temperature in the entire object by from 3 to 10 degress C, which translated into a profit of approximately 200 Euro a day. Before changing the heating system it was impossible to achieve a positive temperature in the entire object at an external temperature of \-10 degress C. It was necessary to close the Museum for tourists."]

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