Machines at work

A photographic introduction to bulldozers, discussing what they are, how they are used, and how they move, identifying the different parts of a bulldozer, looking at who drives the machines, and explaining why bulldozers are important.

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.

Photographs, drawings, and brief text describe the machines and process that are involved in building a road.

Examines the various jobs that trackers do on a farm such as plowing and seeding, fertilizing and harvesting, and baling.

Presents information on the machines that are used in road and house construction, forestry, and mining, in simple text with photographs, and includes cement mixers, excavators, bulldozers, dumptrucks, tractors, and cranes.

Introduces fire engines and the work that they help firefighters do in all kinds of settings.