2. Although the Defendants’ negligence is not minor and the result of the death of the victim is deemed to be significant, in full view of the following circumstances: (a) the Defendants were committed against all and wrongs; (b) the victims’ bereaved family members and their bereaved family members agreed smoothly with each other; (c) there was no same criminal power to Defendant A; and (d) there was no history of punishment more than suspended execution; (d) the victims who predicted the risks from the remaining air compression in the pipe pipe, but are not responsible for the occurrence of the accident even to the victims who carried out the process of separating the pipe lid; and (e) other various circumstances, including the Defendant A’s age, career, and family relationship, the sentence imposed by the lower court cannot be deemed unreasonable.

3. In conclusion, the Prosecutor’s appeal against the Defendants is dismissed in accordance with Article 364(4) of the Criminal Procedure Act as it is without merit. It is so decided as per Disposition.