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| Arabic | English |
| فرن دوار | rotary furnace A heat-treating furnace of circular construction which rotates the workpiece around the axis of the furnace during heat treatment; workpieces are transported through the furnace along a circular path |
| فرن صغير - غرفة احتراق صغيرة | small-scale furnace Small enclosed structures containing a heat source, typically used for the purpose of intense heating. Most are lined with refractory material, the heat source is typically provided by electrical elements or the burning of gas, coke or coal |