There may be problems on amount of material from certain things.

"We don't consider a success or loss based on the amount of material out there."

Months went by, and only small amounts of material were written.

I also keep my eyes open for an usual amount of material.

Most writers will write the same amount of good material.

And our Web site includes a huge amount of material beyond what appears in the paper.

Providing a large amount of material in a short time would prove difficult for Nation.

You can however, get more energy by increasing the amounts of material.

He was not prepared for the enormous amount of material.

They should only be used to remove small amounts of material.