electric-arc furnace vs Stassano furnace

electric-arc furnace and Stassano furnace both are nouns.

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

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

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

electric-arc furnace (noun)	Stassano 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