In this task, you are given a sentence in the Japanese language and your task is to convert it into the English language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).

[EX Q]: どちらの場合も、氷（どのジェット燃料の中にも通常は存在する水からできたもの）の蓄積が燃料／オイル熱交換器と呼ばれる構成部分で進んでいた。
[EX A]: In both cases a build-up of ice (from water normally present in all jet fuel) developed on a component called the fuel/oil heat exchanger.

[EX Q]: 先週西部と中西部を襲った熱気の大きな波が、米国の東海岸へと移動した。
[EX A]: The massive surge of hot air that has plagued the West and Midwest during last week has now moved over the eastern seaboard of the United States.

[EX Q]: シカゴの住人は、もしウィンフリーが去ったらどうなってしまうか心配だと言っている。
[EX A]:
Chicago residents have expressed concern over what would occur if Winfrey were to leave.