21. By the end of the century, most towns in Britain had their own gas works and gas holders . 22. The works closed in 1850, retaining the four 52 foot gas holders , which were fed by other factories. 23. Some of the water was pumped out and an access hole was cut into the side of the gas holder . 24. Commonly, waste tars were disposed of in old gas holders , adits or even mine shafts ( if present ). 25. Its skyline was dominated by the gas holder and three cooling towers of the Ravenscraig steel plant which closed in 1992. 26. The term " gasometer " is discouraged for use in technical circles, where the term " gas holder " is preferred. 27. One of these gangs, the Ribbon Men, were reported to have blown up a gas holder in Tradeston in 1883. 28. The " luftmine " had fallen through a large gas holder and its parachute had become entangled in the hole in the roof. 29. In 2008 Surrey County Cricket Club, tenants of The Oval, announced plans to redevelop it along the side nearest the gas holders . 30. Municipal gas works became superfluous in the latter 20th century-but gas holders and production plant was still in use in steel works in 2016.
