TASK DEFINITION: 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).
PROBLEM: 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。

SOLUTION: 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.

PROBLEM: キングスクロスからの接近は不可能で、作業者はラッセル広場駅から電車の前に行くまでに長いルートを取っている。

SOLUTION: Access from King's Cross is impossible, so workers are taking the longer route from Russell Square station to get to the front of the train.

PROBLEM: Complex40は1965年、タイタンIIICロケットの処女飛行で初めて使われた。

SOLUTION:
Complex 40 was first used in 1965, for the maiden flight of the Titan IIIC rocket.