Title: Digging machines
Description: Discusses some different kinds of digging tools and machines and explains how they work. Ranges from simple tools, like spoons and spades, to more complex machines, including ploughs, pneumatic drills, excavators, bulldozers, snow ploughs, bucket dredgers and tunnel borers. Suggested level: primary.
Subjects: Excavating machinery, Earthmoving machinery, Juvenile literature, Machinery, Excavation