It was noted that "less expensive materials" would keep costs down.

This film can therefore be made of a different and less expensive material.

They also have roofs of expensive materials like copper and lead.

More expensive traditional materials are still used by many players.

Simply using expensive materials does not guarantee a good blade, however.

I had the right to ask for the most expensive materials.

Antimatter is said to be the most expensive material to produce.

She wore a dress cut in simple lines but obviously made of expensive material.

She knew how to recognize expensive material and cuts now.

The new building was a prestigious project; expensive materials and a beautiful design were used.