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  • Mechanical cable shovel Hydraulic excavator developmentsToday the efficiency of hydraulic excavators is taken for granted but before their introduction mechanical shovels provided excavation power. Mike Woof reports. Like the aeroplane, the mechanical...
  • ABE Default Products Avatar Tampella drill rig developmentDevelopment of mechanical drills represented a significant step forward for extracting aggregates. ABE takes a look at the development of the Tampella drill The crushing of rock has always been one...
  • Symons crusher Crushing heritageCone crushers are now accepted technology but in the 1920s the Symons Brothers innovation was an unknown quantity, although an enduring one with some original units still in use. Claire Symes...
  • Holt crawler Crawler track developmentsMike Woof reflects on the development of the crawler track and its significance for the construction and extractive industries. The invention of the crawler track was a significant development for...
  • classic dragline Draglines remain competitive in current marketDragline mobility For removing overburden and opening up a new area of an extraction operation, the dragline is one of the most efficient tools available. Mike Woof reviews their development....
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