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Your search for "hearth" resulted in the following result(s).

	Word or Phrase:	OPEN HEARTH FURNACE *
	Definition:	A form of blast furnace. Steel is smelted in an open hearth while the waste gases are used to preheat the air blast.

	Word or Phrase:	PITCH MAKING HEARTH *
	Definition:	A hearth constructed specifically for the manufacture of pitch.

	Word or Phrase:	ROASTING HEARTH *
	Definition:	A hearth for roasting metallic ore, usually non ferrous, before smelting.

	Word or Phrase:	ELLING HEARTH *
	Definition:	Small stone hearth set up in a shallow pit. Burns vegetation and coppiced twigs to produce potash.

	Word or Phrase:	SILVER HEARTH *
	Definition:	Ore hearth specifically for the refining of silver.

	Word or Phrase:	SLAG HEARTH *
	Definition:	A hearth used for the reheating of metal slag to extract further metal.

	Word or Phrase:	ORE HEARTH *
	Definition:	A furnace for smelting ore in which the fuel and ore are mixed.

	Word or Phrase:	HEARTH *
	Definition:	The slab or place on which a fire is made.