Is defined as a set of behaviors representing persistent deficits in communication and social interactions and restricted or fixated interests and repetitive behaviors.

The answer is Autism Spectrum disorder. This is known as the set of behaviors having deficits in the communication as well as the social interactions with restricted or fixated interests along with the repetitive behaviors.Hope this answer would help then.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )

elastic potential energy