Furnace is the container or the apparatus which is used for the boiling or baking of the materials. There are furnaces ducts that distribute the elements of furnaces throughout the building. During the boiling of materials the dust particles settle down within the furnace and the gases evaporate. These settled particles later accumulate within the apparatus and hence decreases the total area of the furnace and blocks the area for the passage of materials and the gases. The decrease of available area decreases the efficiency of the furnace and also the materials still passing through it also get poisoned with this debris. The out coming material from the contaminated container than become the cause of
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