The history of a bloody battle in life, move on, as the formation of coal, with plenty of wood at that time, the result is a small lump coal.
人生的血战，前行的历史，正如煤的形成，当时用大量的木材，结果却是一小块煤。
2
Moreover, precisely because of radioactive elements into the coal in the participation accelerated the process of peat into coal, to play an important role in the formation of lump coal.