At seats near gate B14 two maintainance guys came and polietly asked passangers to get a side as they need to check the screen. They stepped on the table that is along chairs with shoes on and then walked away. Isn't it unhygenic to step on tables and chairs with shoes on. For all I know they might have gone to toilets and their shoes are super dirty. At least wipe the place with some disinfectent if airport cannot provide them with small ladder.