cupola, cupola-furnace
В цехе гудела старая вагранка.
An old cupola furnace was humming in the workshop.
Вагранку загрузили металлом для плавки.
The cupola furnace was charged with metal for melting.
Рабочие следили за температурой в вагранке.
The workers monitored the temperature in the cupola furnace.
