exhaust system maintenance
https://weekly-wiki.win/index.php/Why_Professional_Hood_Cleaning_Matters_for_Your_Commercial_Kitchen
Keeping your exhaust system in good shape means more than just preventing annoying rattles. Over time, carbon buildup and corrosion can affect both performance and safety. You'll want to check for visible rust, ensure all hangers and clamps are tight, and pay attention to any unusual sounds or smells. A small leak can lead to bigger issues, so catching it early saves hassle down the road.