The phrase "a piece of engineering" is correct and usable in written English.
It can be used to refer to a specific item or project that involves engineering, often highlighting its complexity or ingenuity.
Example: "The new bridge is truly a piece of engineering, showcasing innovative design and advanced materials."
Alternatives: "an engineering marvel" or "a feat of engineering".
Although those blue-collar credentials might seem unbecoming of an E-Class aspirant, the 363hp, 5.7-litre Hemi V8 engine is a piece of engineering worthy of respect, with features like cylinder deactivation to conserve gasoline.
As a piece of engineering, the Trico system was not especially distinguished.
The car, he insists, was "a piece of engineering genius" – though he admits the successor generations are a lot more practical.
More than as a piece of engineering, though, or even as a business, the i360 must succeed as a symbol for the city.
Calatrava lost the case, in which his lawyers argued that the bridge should be considered a work of art rather than merely a piece of engineering; but the judgment was sympathetic to his cause, and he is considering an appeal.
Reading it later I realised it's absolutely not about being cool or extreme (neither is being a playwright at all like being a rock star), but that the play does set a thrilling precedent: as a piece of engineering, the machine really works.
Our expert says A piece of precision engineering by the master, Ian Abraham.
Second mention in as many weeks for the Eye of Harmony, a piece of Timelord engineering that manipulates black holes to fuel time travel.
As a piece of social engineering, this is as ingenious as anything that could be dreamed up by the membership secretary of even the most exclusive golf club.
It is a piece of financial engineering that multinational companies, particularly from the US, have turned to in order to reduce their tax bill.
A book born in death, "Heart of a Soldier" sometimes reads like a piece of reverse engineering, as if Stewart were creating a back story that would predict and fulfill, on every page, Rescorla's fate.
