1) The document outlines various methods for transporting and moving casualties with injuries, including the cradle method, human crutch method, four handed seat, three handed seat, two handed seat, and fore and aft method. 2) Key principles for safely moving a casualty include maintaining the casualty's position and condition, keeping an open airway, controlling any bleeding, and immobilizing injured limbs. 3) Factors that influence the choice of transport method include the nature and severity of injuries, the number of helpers available, distance to shelter, and type of route. Safety, comfort and well-being of the casualty are prioritized.