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All the spaces had a disinfectant and sterilization cleaning in December, 2022.
The utility rooms and the practice room had a disinfectant and sterilization cleaning in August, 2022.
All air conditioners were sterilized and cleaned in January, 2022.
The utility rooms had a disinfectant and sterilization cleaning in August, 2021.
Two air conditioners and one deodorant sterilizer were newly installed in November, 2020.
All the spaces had a disinfectant and sterilization cleaning in August and October, 2020.
The lesson room was renewed in March, 2020.