Read the text about the oldest power plant in Russia. For gaps 1-6 choose the letters A, B, C or D to complete each gap. We are in the Russia's 1) ... power plant situated on Raushskaya Embankment. It celebrated its 120th anniversary in November, 2017. Today the plant 2) ... over 4,000 buildings, including about 1,000 blocks of flats, about 100 hospitals, over 80 schools and kindergartens as well as offices. Follow the old steps of a 19th century staircase to the main control switchboard of the power plant. Employees responsible 3) ... the operation work in shifts here 24 hours a day. And this is a boiler room. It is a unique place. Two British boilers manufactured by Babcock&Wilcox Co. that also provided the 4) ... boilers for the Titanic are still here. Of course, they have been repaired since 1931 and continue to function ly. The plant officials explain that they upgrade the equipment 5) ... to redu toxic emissions. For example, two boilers were placed and emissions became five 6) ... smaller.