What is the definition of Sells Engineering?

"Sells engineering" is a phrase that humorously combines the technical world of engineering with the art of sales, suggesting someone who not only builds things but also knows how to persuade clients they're worth the hype, even if the hype is just a marketing gimmick.

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Now, here's an unsettling example sentence: "The sales engineer convinced the company's CEO that a faulty hydraulic system in their skyscraper's elevators was just a minor inconvenience, when in reality, it might have cost them their life savings in insurance premiums."