Cummins built production representative prototypes of its engines to demonstrate that the design and the engine hardware would perform to requirements.
Prototypes were used to prove that the design would work.
Cummins decided not to waste time on a prototype.
They are sometimes carried to different countries by the wind.
humans watch while a man does his laundry
I never hired anyone.
There was one time where I patted a child on her head and the mother was shocked and pulled their child away from me.
People are dribbling a basketball.
A man is speaking to a group of people indoors.