The World's Biggest Machines - Documentary Films Bagger 288 (Excavator 288), developed by the German business Krupp for the energy and mining company .
Related Article: Bertha is a 57-foot-diameter (17.4 m) tunnel boring machine built specifically for the Washington State Department of Transportation's (WSDOT) .
The World's Biggest Machines - Atlas Documentary Films A machine is a tool containing one or more parts that uses energy to perform an intended action.
The World's Biggest Machines - Documentary Films Bagger 288 (Excavator 288), developed by the German business Krupp for the energy and mining company .
