Cummins used the knowledge captured from these and subsequent prototypes to refine and eventually validate the manufacturing processes for the engine.
The knowledge was used to refine and validate manufacturing .
None of the knowledge was used, it was irrelevant.
A girl is driving down the road.
People are watching children and a pig.
The organic matter did not provide any evidence for life on Mars.
The Postal Service barely treated twenty items per person in 1999.
A dog is watching her puppies eat food from a bowl.
A man is driving a car.