gray unit in a sentence

1. Under the deal announced Friday, ABB will sell its U . S .-based Vetco Gray unit and its Offshore Systems business, headquartered in Norway.
2. The old turnstiles, the last in the system, will be replaced by the same new metallic-gray units that have been installed in the other 467 stations.
3. In Japan, both white and dark gray units were available, but elsewhere all IBM JXs were dark gray & mdash; very unusual in the days of the standard color of IBM " beige boxes ".
4. As talk turned publicly to BTUs, and the city went dull with the drone of an alien invasion _ tens of thousands of gray units hovering at windows, freezing people as they slept _ relationships indoors began to buckle in the heat.
5. It's difficult to find gray unit in a sentence.