What is the definition of Sealed Engineering?

Sealed engineering is like the ultimate secret agent for your projects - it's the process of locking away all the technical jargon and complexities into a single, impenetrable package. It's the kind of engineering where even the engineers are in on the joke, thinking they're hiding the truth from the world (and their colleagues), while the rest of us try to figure out what they're really sealing with a magnifying glass.

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Example sentence with a dash of edginess: "The sealed engineering of the new quantum encryption device was so tight, even the cat in the lab realized it could crack it with a flick of its whiskers."