Describes the earthmoving machinery and construction equipment at work on a building site while focusing on the special parts of machines which perform specific functions.

Explains what a bulldozer can do, how its different parts work, and how the operator manipulates it from inside the cab.

Whirr! A concrete mixer's drum spins round and round! Learn more about why these big machines never stop moving.

Briefly describes the parts of a dump truck and how it works.

In simple text, explains how garbage trucks work and what they do.

Describes the parts of an ambulance, how it operates, and the work it does.

Describes the parts of a large earthmover, how they operate, and the work they do.

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

Describes the parts of a tow truck, how to operate them, and the work they do.