Hal Rogers

Explains what different parts make up a train, that trains travel on special railroad tracks, and what trains are used to transport.

Describes the parts of a grader, how it works, and the work it does at a construction site.

Describes the parts of plows, how they work, and what they do.

Describes the parts of a snowplow, how it works, and the work it does to clear the roads of ice and snow.

A brief introduction to rescue helicopters, what they do, and how they work.

Discusses the increasing importance of quarterbacks in professional football and describes the accomplishments of some of the game's best, including Sid Luckman, Terry Bradshaw, and Joe Montana.

Presents the skiing experience, describing types of skiing, styles and techniques, and championship competitions.