Dark Night Moonlight

A student who failed the college entrance examination was forced to make a living and came to a coal mine. He became a coal shearer. He was proficient in drilling holes, blasting, pillars, and back pillars. He served as a team reporter, deputy squad leader, and mass safety inspector. He went through hardships such as being buried alive. He did not change his true character, and studied while mining coal. Finally, he was admitted to a staff college and started a new life.