samovar
Ewer
an urn
The tea urn was always on for the workers
A typical tea urn would take 2-3 kW and the kVA would be the same.
samovar
a kettle
8.5 liters is 8500 milliliters, divide that by 250 and you get 4 per liter and 34 for your urn.
Its called an urn
A metal, Russian urn used for heating water for making tea.
Urn?
A big kettle, to make a lot of tea, is called an urn