Stassano furnace vs electric-arc furnace

Stassano furnace and electric-arc furnace both are nouns.

Word	Noun	Adjective	Verb	Adverb
Stassano furnace	Yes	No	No	No
electric-arc furnace	Yes	No	No	No

As nouns, Stassano furnace and electric-arc furnace are synonyms defined as:

Stassano furnace and electric-arc furnace: an electric furnace in which an electric arc provides the source of heat for making steel

Stassano furnace (noun)	electric-arc furnace (noun)
an electric furnace in which an electric arc provides the source of heat for making steel	an electric furnace in which an electric arc provides the source of heat for making steel