Different colors of the light flame in an industrial roomDifferent colors of the light flame in an industrial room
Industrial cranes and cargo containers in the port against the background of cloudy sky and calm seaIndustrial cranes and cargo containers in the port against the background of cloudy sky and calm sea
Отрасль народного хозяйства — предприятия, перерабатывающие сырьё или разрабатывающие недра.