plant vs gas system

plant and gas system both are nouns.

plant (noun)	gas system (noun)
buildings for carrying on industrial labor	facility (plant and equipment) for providing natural-gas service
(botany) a living organism lacking the power of locomotion
an actor situated in the audience whose acting is rehearsed but seems spontaneous to the audience
something planted secretly for discovery by another

plant (verb)	gas system (verb)
put or set (seeds, seedlings, or plants) into the ground
fix or set securely or deeply
set up or lay the groundwork for
place into a river
place something or someone in a certain position in order to secretly observe or deceive
put firmly in the mind