【机械工程】供暖锅炉【生活】供暖锅炉

electron-heating steel bar header【机】

train heating winding【铁路】

heating body (heater, radiator, heating element)

heating of internal body cavities for curative treatment

heating of bar-shaped bodies from steel, iron, ohmic-resistance heating

heating steam

ohmic heating

electroslag remelting plant (electroslag refining plant) heating by electric arc