"I'm going to turn that job over to you while I build up the major block systems."

This school's schedule type is inconsistent with other area schools who operate on the "block" system.

Each element of the block system is called a block.

For many years he built block systems and created beautiful complex structures.

For academic ease, the classes in each section are divided into the following block system.

The block system is based on breaking a line into blocks.

The blocks present on a line between two stations are part of the block system.

In the United States, the most common form of living high and training low is probably the block system.

The residential areas of the city are organized into a block system.

A "train register" is used in conjunction with the absolute block system.