blow moulding machine vs plastic blow moulding machine

blow moulding machine and plastic blow moulding machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
blow moulding machine	Yes	No	No	No
plastic blow moulding machine	Yes	No	No	No

As nouns, blow moulding machine and plastic blow moulding machine are synonyms defined as:

blow moulding machine and plastic blow moulding machine: a machine that forms hollow plastic parts.

Other synonyms of blow moulding machine include blow molding machine, plastic blow molding machine.

blow moulding machine (noun)	plastic blow moulding machine (noun)
a machine that forms hollow plastic parts.	a machine that forms hollow plastic parts.