What are your memories of hall cleaning?
I actually enjoyed it on the whole, my dad as the elder always tried to keep it to under one hour but in my later years in a hard-line congregation it was a chore. The PO's wife had a printed list and we had to complete it all before left (or got disapproving looks if we left after an hour).
As well as vacuuming the whole building the lost said you had to dismantle the vacuum and clean and polish all the internal elements.