This is the 11840th most frequent Korean word.
냉각기를
A "cooling-off period."
The word '냉각기를' in this sentence refers to a cooler device as an object for machinery cooling.
냉각기를 설치하여 기계를 식힐 수 있습니다.
You can install a cooler to cool down the machinery.
Here, '냉각기를' signifies a tool utilized in a process to regulate temperature, indicating its function.
이곳에서는 냉각기를 사용하여 온도를 유지합니다.
In this place, a cooler is used to maintain the temperature.
In this usage, '냉각기를' is indicating the specific component that was replaced in the machinery.