The interior of the store is mostly concealed from outside view by a parallel wall.

Putting the paintings on parallel walls would only deaden them.

The plates are welded so that they form parallel walls joined by stringers.

Two parallel walls were to stand 12 feet high, but there would be no roof.

To the west three parallel walls were built.

Additionally, enough room must be left between the parallel walls to allow for the melt-flow to properly move throughout the mold.

Sharp corners for parallel walls must also be considered.

Sometimes you cannot spare the floor space required for a parallel wall.

It was built in the form of a medieval castle, with three parallel circular walls.

The northwest wall was protected by a parallel wall coated with red plaster on the outside.