Before you begin work or even the purchase of the door, it's important to investigate what is behind the wall you plan to tear down.
The food of the camel consists chiefly of the leaves of trees, shrubs and dry hard vegetables, which it is enabled to tear down and masticate by means of its powerful front teeth.
Their sides are seamed with torrents which tear down the solid rock and sweep its detritus into the glens and sea lochs.
But Lombard conquest was bungling and wasteful; when they had spoiled a city they proceeded to tear down its walls and raze it to the ground.
If you anticipate having to move your cat furniture, you may want to construct the pieces with screws and bolts for easy tear down.