What could be the story

Very seldom was there the same colors in a row. When you would hook your hose up you would spray it through the grate in the floor into the water. The correct color was already at the end of this hose.
That's good to know. How many different colors did you paint?
Well there were the Mack straight fleet colors. White, Red, blue, green, Yellow, orange , black, Then there were special order and that could be any Metallic colors, two tones, We would paint the full cab. Then they would go down the cab line to meet the frame they would go for any custom paint work before setting on the frame