These Retro pictures from our archives, one of a series on key workers, are just another little salute to them, to say thanks for all their hard work.
1. Name game
The aptly-named Charles Dyson, a cleaner at Greenhill Primary School Photo: Steve Ellis
2. Wise owl
Sheffield Wednesday fan Anne Greatorex retired from her job as a cleaner at Lydgate Infants School in 2014 after 33 years. Our picture shows Anne with Wednesday mascot Ollie and pupils, from left, Albert Wales, aged four, Sophia Wales and Esme Sait-Bush, both aged six. Photo: NSST
3. Wisewood honour
Wisewood school cleaner Marilyn Wild, who was honoured in Celebration of Success education awards Photo: Stuart Hastings
4. Cleaner hero
Streets Ahead street cleaner Andy Rowley helped save an elderly woman after she fell into the Porter Brook on Ecclesall Road near Hunters Bar in 2013 Photo: SUBMIT