Internally, there may be bars of wall material extending across the open space.

Also, the wall material wasn't solid, but a very viscous liquid.

The higher the atomic number of the wall material, the greater the chance of interaction.

The view on the main screen tilted as the ship rammed into the wall material.

Then go around to the other side and saw between the holes to remove the remaining wall material.

In some cases, you may have to cut away the wall material with a chisel to make space for the cable.

When you look at the popular picture of life, in America - what the media presents - it's all wrong wall material.

Channel glass runs about 20 percent more than traditional wall materials.

The wall material felt like a metal/rock hybrid to Nicole.

When Valdus was ready, he would tell him the significance of the wall material.