After this, he began designing apartments that could be stacked on top of each other, to house people and meet their needs.
One pole can be stacked on top of the other, according to how much you want to grow.
This process continues until up to 12 blankets are stacked on top of one another.
This continues until all ten cubes are stacked on top of each other.
The huge homes seem to be stacked on top of each other.
It is two linear models stacked on top of each other.
The unit was designed to be stacked on top of the computer, and beneath the monitor.
This allows them to be stacked on top of one another in unlimited numbers.
Each stood about four feet high, and one was stacked on top of the other.
A second container could thus be stacked on top of the first, and the two locked together.