The concentration camp has a crematorium to dispose of bodies.
There are also many doctors on site. No detainees have managed
to leave the concentration camp alive. Before cremation, the
internal organs are all removed from the body and sold.
会話も文章読解も文法は同じだよね。オーラルだって構文くらい教えるでしょ。アニーの
At the beginning, fearing information could leak out, different organs were removed by different doctors in different rooms.
って分詞構文だよね。会話でも出てくる。