- 清洁工 qīngjiégōng cleanersanitation worker; street cleaner; janitor or custodian
- 清洁剂 qīngjiéjì detergentdetergent; cleaning agent; cleanser
- 清洁球 qīngjiéqiú scouring ballscouring ball; steel wool scrubbie used for cleaning pots and pans
- 清洁生产 qīngjiéshēngchǎn clean productionA manufacturing process that meets environmental protection requirements; it aims to minimize waste and pollution throughout the entire cycle from raw material use to product disposal
- 清洁能源 qīngjiénéngyuán clean energyEnergy sources that produce little to no pollution during development and use, such as wind, solar, and water power; also called [[绿色能源|綠色能源|lu:4 se4 neng2 yuan2]]
- 清洁袋 qīngjiédài waste disposal bagBag used for collecting waste; specifically an airsickness bag provided on planes or buses.
- 深层清洁 shēncéngqīngjié deep cleansingthorough or deep cleaning of the skin or a surface
- 清洁车 qīngjiéchē sanitation truckA motorized or manual vehicle used for sweeping streets or transporting garbage
- 清洁器 qīngjiéqì cleanera device or apparatus used for cleaning; cleaner
- 清洁燃料 qīngjiéránliào clean fuelfuel that produces little to no pollutants during the combustion process