Instructions: 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).
Input: 酸素、ヘリウムおよびアセチレンのタンクが、充填作業の最中、アセチレンのタンクをつなぐために使われていたコネクターが誤作動を起こした後に、爆発し始めた。
Output:
Tanks of oxygen, helium and acetylene began to explode after a connector used to join acetylene tanks during the filling process malfunctioned.