Operator's controls on excavators used for earth-moving

Eitemau Tebyg

• Moving the earth : the workbook of excavation/
  gan: Nichols, Herbert L. (Herbert Lownds), 1908-
  Cyhoeddwyd: (1976)
• Moving the earth : the workbook of excavation /
  gan: Nichols, Herbert L. (Herbert Lownds), 1908-, et al.
  Cyhoeddwyd: (c201)
• Moving the earth : the workbook of excavation /
  gan: Nichols, Herbert L. (Herbert Lownds), 1908-, et al.
  Cyhoeddwyd: (2005)
• Hydraulic excavators for earth-moving
  gan: 8096 British Standards Institution
  Cyhoeddwyd: (1987)
• Training of mechanics concerned with the operation and maintenance of earth-moving machinery
  gan: 8096 British Standards Institution