Heavens and Test copy

Heavens noun - The apparent surface of the imaginary sphere on which celestial bodies appear to be projected.

Test copy and heavens are semantically related. In some cases you can use "Test copy" instead a noun "Heavens".

Test copy noun - (printing) an impression made to check for errors.

Heavens and test copy are semantically related. Sometimes you can use "Heavens" instead a noun phrase "Test copy".