Assertion: prototype | /r/ObjectUse | used for testing
Facets:
value: as a benchmark
type: PURPOSE
Source sentences:
text: Prototypes aren’t simply beta tests that have the look of the final version; they are any version of your product that can be used for testing.
text: As a benchmark, it is used for certain tests.
text: The reason for that is, of course, because that type of material is often much more expensive and since the prototype is only used for testing, it would not be cost-efficient to use high-quality material to make it.