I suppose it would be mostly practical skills, cooking, fixing things. Usually had to be done by people themselves.
Maybe also mental things like navigating (with or without paper map) and remembering their daily and weekly agendas.
What other things would be a big difference with the people today?
Having grown up on the cusp of smoke free legislation in my country I remember what it’s like first hand.
It is sooOooOOoo much better now without smoking everywhere.