The method comprising the steps of moving {HEAD ~ the parts} on {TAIL ~ the belt} into a chamber of the furnace, heating the parts, igniting the unused combustible atmosphere above the parts, and allowing the atmosphere above the parts to escape through a vent in the chamber 
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The method comprising the steps of moving { HEAD ~ the parts } on { TAIL ~ the belt } into a chamber of the furnace , heating the parts , igniting the unused combustible atmosphere above the parts , and allowing the atmosphere above the parts to escape through a vent in the chamber
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH