Thank you for visiting. I am selling answer sheets and example answers for the second-stage exam for building equipment engineers. Since I did not take the air conditioning equipment subject, I am selling these. This is for 5 years x 2 sheets = 10 sheets. They will be sent in a clear file and an envelope. Nikken Gakuin [Contents] - 2021 Main Exam (Common/Air Conditioning) Answer Sheet / Example Answer - 2022 Main Exam (Common/Air Conditioning) Answer Sheet / Example Answer - 2023 Main Exam (Common/Air Conditioning) Answer Sheet / Example Answer - 2024 Main Exam (Common/Air Conditioning) Answer Sheet / Example Answer - 2025 Prediction (Common/Air Conditioning) Answer Sheet / Example Answer