war machine vs manual

war machine and manual both are nouns.

Word	Noun	Adjective	Verb	Adverb
war machine	Yes	No	No	No
manual	Yes	Yes	No	No

war machine (noun)	manual (noun)
the military forces of a nation	(military) a prescribed drill in handling a rifle
	a small handbook

war machine (adjective)	manual (adjective)
	requiring human effort
	of or relating to the hands
	doing or requiring physical work