In some cases, mine shafts are dug with auger drills. This motor pushes the pellets into an auger that sits underneath the heat box. A cement grout mix is then pumped down the stem of the auger. They can be driven, drilled, or installed by the use of an auger. High wall mining is another form of surface mining that evolved from auger mining. The modern grain auger of today's farming communities was invented by Peter Pakosh. Such atoms also typically exhibit Auger electron emission. These effects can be used for elemental detection through X-ray spectroscopy or Auger electron spectroscopy. However, a positive atomic ion may result from further Auger electron emission. Some larger models are set in motion by means of a built-in metal auger. Above 20 eV, inner electron ionization and Auger transitions become more important. Instead, a special closet auger (from "water closet") should be used. It has been suggested that he took them from a follower of Cardano, Auger Ferrier. He returned with ten prisoners, including captain John Auger, and three corpses. Like Pither, Luc Blain, Chris Auger and Tim Billingsley.