Cigarette reference is in the text! Specifically Ken has finished a “Prima” which is, however filtered. I guess they are not at the bottom rung of the ladder and don’t have to smoke “Belomorkanal”?
Also important to notice: the dual-colour paint job is more common in public areas and buildings and less in private residences. But again, the text explains that we’re looking at a “communal” kitchen; i.e a kitchen in a shared apartment or dormitory type residence.
