
Prototype
Iterative Process
Prototypes can evolve through many versions before the final design is reached.

After the third prototype was built, its design nearly matched the production model.
Functionality Test
Prototypes are often created to test whether the concept works in real life.

The prototype was used to evaluate the new engine's performance.
Not For Sale
Prototypes are not typically available for purchase; they are for experimentation.

The prototype is on display, but it's not the version customers will buy.
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