1.   Working walls have become fashionable in many conference areas but banqueting rooms usually aim for elegance.

2.   Before the bathroom wall became completely brown, I decided it was time to shave.

3.   Before the whole wall becomes a hole wall, Mannan recommended the same sticky repellent used by Hull.

4.   Acrylic walls became larger and thicker, and rocks, coral and seaweed made of rubber became more lifelike and no longer shed paint.

5.   Dark-blue walls became cream-colored.

6.   I crouched by the Pit and reasoned that the upper walls had become porous where we had drilled to install the plumbing.

7.   In Minnesota, with its relentlessly gray winters, otherwise sophisticated taupe walls become depressing.

8.   In this atmosphere of innovation, the fourth wall has become more permeable than ever, so that characters can speak directly to the camera.

9.   McCollum and other lawmakers say these Depression-era walls have become antiquated in the computer age, stifling growth and competition.

10.   Thanks to a new market of colors, sizes and materials, the simple tile wall has become a world of options.