Dormitory, office and toilets shall be erected according to standards and regularly cleaned by appointed cleaners. Domestic wastes shall be sacked and disposed at the appointed place.

现场宿舍、办公室、厕所按标准建造，派专人定时清扫；生活垃圾袋装化，到环卫指定点处理；

youdao

I never clean the office myself. I always have it done by professional cleaners.

我从不自己打扫办公室，我经常找专业的清洁人员来做。

youdao

It centres on the exploitation of illegal immigrant Hispanic office cleaners in Los Angeles.

BBC: Director Loach slams TV news

It is also less, adjusted for inflation, than office cleaners earned 20 years ago.

ECONOMIST: Trade unions

General cleaners, office cleaners, domestic helpers and care workers all featured on the list.

BBC: Cleaning products 'linked to adult asthma'