They are used in accordance to the type of the explosives.

For example, the bulldozer-type uses various needle-like bits on the front-end attachment roller to pulverize the anti-personnel mines that are buried underground. Since the bulldozer-type will move forward as it digs up the ground (30 cm deep) using its roller, the remaining site can be used and converted into farmland.

The hydraulic excavator-type uses a specialized bucket that opens and closes in the front and the back. It grabs the unexploded mine covered in hard steel to pulverize it by crushing it.

Anti-personnel landmine demining equipment [THE GREAT PICTURE BOOK OF CONSTRUCTION EQUIPMENT]