OPEN a.
tory furnace; esp., a kind of reverberatory furnace in which the fuel is gas, used in manufacturing steel. -- Open-hearth process (Steel Manuf.), a process by which melted cast iron is converted into steel by the addition of wrought iron, or iron ore and manganese, and by exposure to heat in an open-hearth furnace; --…
OVERHEAD CHARGES; OVERHEAD EXPENSES n.
re different departments in a business; -- called also fixed, establishment, or (in a manufacturing business) administration, selling, and distribution, charges, etc.