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  caldera, caldera_de_vapor Boiler, Kessel boiler, steam_boiler lurrun-galdara chaudière caldeira boiler, bóiler, caldera, caldera_de_vapor, calentador
  caldera Kessel caldron, cauldron galdara, pandero, pazia, pertz Chaudron, chaudière, chaudron caldeiro, pote cacerola, caldera, caldero
forno forn Hochofen, Ofen furnace labe four, fournaise, fourneau forno caldera, calefacción, horno
caldeira bullidor, bullidora, caldera Kessel, Kochtopf boiler, kettle galdara bouilloire fervedoiro caldera, hervidor
  caldera_volcanica Caldera caldera   caldeira, caldera   caldera, caldera_volcánica