plaster machine vs rendering machine

plaster machine and rendering machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
plaster machine	Yes	No	No	No
rendering machine	Yes	No	No	No

As nouns, plaster machine and rendering machine are synonyms defined as:

Other synonyms of plaster machine include plastering machine.

plaster machine (noun)	rendering machine (noun)
a machine for wall rendering.	a machine for wall rendering.