21. Novi Beograd received contaminated water after its oil heating plant was hit two weeks ago. 22. Another 29 people were taken hostage at heating plants . 23. The convent, rectory and central heating plant were built between the years 1909 and 1932. 24. In 1872, construction was completed on a kitchen, laundry, boiler house, steam heating plant and school. 25. On December 10, 2010, an explosion occurred in a boiler in the heating plant in Vanavara. 26. A heating plant and a World War II-era dining hall may be turned into artist studios. 27. In many cases, the efficiency of a heating plant can be assessed by the fuel supplier. 28. Heating plant is also located in the neighborhood.29. On the interior, the basement contains a cable vault, a battery room and the heating plant . 30. In early 2012, CHPP-1 and the heating plant in Severnaya will be converted to natural gas.