They're wrong, but we have to start with a clean piece of paper.

A clean piece of steel will turn a very specific color based on the temperature to which it is raised.

He straightened again, transferred it to a clean piece of white paper.

"Then take a towel or any clean piece of material and brush it in the same direction as the skin."

I fell onto a clean piece of grass and rolled.

Take a big, clean, smooth piece of paper and write down all the reasons why I should kill myself.

And then take another big, clean smooth piece of paper and write all the reasons why I shouldn't.

I found a clean piece of cloth and covered the bread.

If you take a very clean piece of glass, the water will spread out quite a bit rather than for droplets.

The sketch was on a clean, white piece of paper, with today's date written in the upper left corner.