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“電気設備の安全点検があった話し” への3件のフィードバック
最近 近所にカミナリ落ちて一瞬停電になった。UPSの導入必要かも。
季節がらUPSは入れたほうがいいかもね。
バッテリーの交換維持費がかかるけど。
バッテリーかぁ。