（解説文要約）
「一つのヤマで死傷者が発生しないことはない」と言われるほどヤマの仕事は危険と隣り合わせでした。
この作品には、上三緒炭坑で、ある二人のベテラン技師が犠牲となった話が記されています。
二人は蒸気管の見廻りをしていて、破損個所で高熱の蒸気を浴びて亡くなりました。
Pit workers faced so many dangers that it is said that there was no pit which never had casualties.
This painting shows an accident at the Kamimio Coal Pit, in which two expert engineers were killed.
The two people died after they scalded themselves with hot steam from a damaged part of the steam pipeline of the pit
while they were checking it.