Assertion: furnace | /r/UsedFor | example
Facets:
Source sentences:
text: A distinction is made between furnaces with radiant heat exchange (for example, open-hearth and continuous furnaces), furnaces is which heat exchange occurs mainly through convection (low-temperature heaters and driers), and furnaces with a layer mode of operation, in which the material being processed is a fixed or movable layer (shaft and fluidized-bed furnaces).