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The heating period began for the blocks in our town. Yesterday evening when I passed the house sheltering the furnace which generates the heat, I saw a little smoke discharged from the tall chimney. As I entered our apartment building, I touched the heat-transmitting tubes by the spiral stairway and felt them still cold. This evening as soon as I returned from mother's, I checked the tubes again from the ground floor to the third floor where our flat is located. I found the upper pipe was warm and the lower one cold. I exposed the valves of the pipes in our kitchen and unscrewed them a little letting off the air inside until water came out. Then the upper pipe got warm.
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