Photographs and simple text present some of the different machines used in a large supermarket, including fork lifts, scales, pricing machines, and conveyor belts.

Photographs and simple text present some of the different machines used on farms, including tractors, cultivators, balers, and combine harvesters.

Describes underground areas including subways, bank vaults, and basement offices as well as the machines used to construct these places, dig tunnels, mine coal, and drill for oil.

Briefly describes the parts of a digger, or excavator, and the work it does.

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

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

Simple text describes the parts of a tractor, how they work, and what they do.

A big city garbage truck makes its rounds, consuming everything from apple cores and banana peels to leftover ziti with zucchini.