Graphite bar furnaces; Stainless steel sinks; Stainless steel water supply apparatus; Steel degassing heating rods; Crucible induction furnaces; Crucible liners; Accelerated ageing furnaces; Afterburners being parts of furnaces; Air heating furnaces; Ash pits for furnaces; Automatic hardening furnaces for components; Blast furnaces; Bogie hearth furnaces; Carbon electrodes for use in furnaces; Casting furnaces; Chamber furnaces incorporating quenching tanks; Chambered lid furnace; Combustion furnaces; Continuous soldering furnaces; Coolers for furnaces; Cooling tanks for furnaces; Cooling vats for furnaces; Crowns (parts of furnaces); Dampers for furnaces; Dirt pans (parts of fires or furnaces); Electric furnaces for metallurgical purposes; Elevator furnaces; Fittings, shaped, for furnaces; Flotation apparatus (furnaces); Founding furnaces; Furnace ash boxes; Furnace grates; Furnaces (other than for laboratory use); Gas fired furnaces; Heating apparatus for furnaces; Holding furnaces; Homogenizing furnaces; Induction furnaces; Induction heated casting furnaces; Industrial heating furnaces; Pot furnaces; Roller hearth furnaces; Shaped fittings for furnaces; Furnaces for de-coating metals; Furnaces for de-coating scrap metals; Ovens for baking or curing coatings and finishes; Paint baking apparatus; Paint stoving apparatus; Smelting furnaces; Vacuum furnaces for precious metals; Vacuum melting apparatus for precious metals; Gas fired boilers; Gas fired heating apparatus; Electric furnaces (other than for laboratory use); Furnaces for industrial use; Furnaces for melting metals; Furnaces, other than for laboratory use; Industrial ovens; Crowns (parts of kilns); Kiln boosters; Kiln supports; Kilns; Rotary kilns; Heaters; Industrial heaters; Vacuum furnaces for noble metals