A number of different layers of musical material are present.

The cups can be inserted from the bottom between the two layers of material in front.

He designed a mask and costume formed with two layers of material.

Objects are created by laying down successive layers of material.

His fingers dug into her waist, even through the many layers of material.

He said the walls clearly "moved over a layer of soft material."

The leather is meant to be used as an additional layer of material.

Since the support does not come from layers of material, the shoe is also more flexible.

The name shell comes from the double layer of material.

The result is a layer of material with good semiconducting properties.