かいしゅう
repair; renovation
From the JLP Quiz question bank — the word in the form it is actually tested in.
施設内の空調設備改修工事に伴い、下記の期間、臨時閉館させていただきます。
Answer: 空調設備の改修工事のため
Ohlalago Academy
Live N1 classes with a teacher
Looking words up one at a time only gets you so far. Study with a teacher over Zoom, level by level, in a course built for the exam.
Classes are taught in Burmese.