This is the 7205th most frequent Korean word.
준공을
"준공을" means "completion of construction."
Here, '준공을' refers to the completion of construction of a building or structure.
이 건물의 준공을 축하합니다.
We celebrate the completion of this building.
'준공을' in this context signifies the completion of construction of the gymnasium structure.
학교의 새로운 체육관 준공을 기념하는 행사가 열렸습니다.
A ceremony was held to commemorate the completion of the school's new gymnasium.
In this sentence, '준공을' relates to the event or celebration marking the end of a construction project.