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Why is it uncomfortable to turn on the heating in the library?
The temperature is too high for air circulation.

1, the temperature is too high: the library is usually a relatively closed space. After the heating is turned on, the indoor temperature will rise rapidly, resulting in dry air and making people feel uncomfortable.

2. No air circulation: The library is crowded with people and does not circulate air, which will lead to the decline of indoor air quality and make people feel stuffy and dizzy.