11.   That could push down prices for uncoated free sheet, and the materials used to make boxes and other packaging.

12.   The company said margins widened because materials used to make chemicals cost less.

13.   The company said margins grew because materials used to make the chemicals cost less.

14.   The company said margins grew because materials used to make chemicals cost less.

15.   The illusion of grandeur is all the more impressive considering the material used to make it.

16.   The material uses images that appear to show children involved in sexual activity.

17.   These mummified materials actually use much more landfill space than plastic packaging, which has steadily been getting smaller as manufacturers develop stronger, thinner materials.

18.   Wire service material used to prepare this article.

19.   A Congress report, says the material used to coat the plane to make it undetectable to enemy radars washes off in the rain.

20.   A Congress report says the material used to coat the plane to make it undetectable to enemy radars washes off in the rain.