Big machines at work

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

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

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

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

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

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

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